Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

UPSC: Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

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Question 1: Consider the following data:    [2020-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. For which period was the natural growth rate maximum?
(a) 1911–1921
(b) 1941–1951
(c) 1961–1971
(d) 1971–1981

Correct Answer is Option (d)

Natural growth rate for the period :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Hence, natural growth rate is maximum in 1971-1981.

Questions 2:
Directions: The following three items are based on the graph given below which shows imports of three different types of steel over a period of six months of a year. Study the graph and answer the three items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The figures in the brackets indicate the average cost per ton over six months period.
Q. What was the approximate ratio of sheet steel and scrap steel imports in the first three months of the year?   [2018-II]
(a) 1 : 1
(b) 1.2 : 1
(c) 1.4 : 1
(d) 1.6 : 1

Correct Answer is Option (b)

Total sheet steel imported in first three months = 40 + 37 + 36 =113

Total scrap steel imported in first three months = 32 + 34 + 32 = 98

Required ratio = 113 : 98 = 1.2:1

Question 3:
Directions: The following three items are based on the graph given below which shows imports of three different types of steel over a period of six months of a year. Study the graph and answer the three items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The figures in the brackets indicate the average cost per ton over six months period.
Q. What was the approximate total value (in $) of sheet steel imported over the six months period?    [2018-II]
(a) 45,555
(b) 50,555
(c) 55,550
(d) 65,750

Correct Answer is Option (c)

Total sheet steel important over six months period
= 40 + 37 + 36 + 36 + 34 + 34 = 217

Total value = 217 × 256 = 55552 ≈ 55550

Question 4:
Directions: The following three items are based on the graph given below which shows imports of three different types of steel over a period of six months of a year. Study the graph and answer the three items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The figures in the brackets indicate the average cost per ton over six months period.
Q. By how much (measured in thousands of tons) did the import of sheet steel exceed the import of coil steel in the first three months of the year?    [2018-II]
(a) 11
(b) 15
(c) 19
(d) 23

Correct Answer is Option (c)

Total import of sheet steel in first three months  = 40 + 37 + 36 = 113

Total import of coil steel in first three months = 30 + 31 + 33 = 94

Required velue = 113 – 94 = 19.

Question 5: The following graph indicates the composition of our tax revenue for a period of two decades :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
With reference to the above graph, which of the following is/are the most logical and rational inference/ inferences that can be made?
1. During the given period, the revenue from Direct Taxes as percentage of gross tax revenue has increased while that of Indirect Taxes decreased.
2. The trend in the revenue from Excise Duty demonstrates that the growth of manufacturing sector has been negative during the given period.

Q. Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Correct Answer is Option (a)

1. Corporate tax (……) and personal tax (-----) are direct taxes. From graph it is clear that corporate tax is increasing tremendeously whereas personal tax increased slightly.

Exercise (______), customs (_._._._._) and service tax (__.__.__.) are indirect taxes. From the graph, it is clear that exercise and customs decreased tremendeously whereas service tax is increased.

Therefore, during the given period, the revenue from direct taxes as percentage of gross tax revenue has increased while that of indirect taxes decreased.
2. From the graph, it is clear that exercise duty is over all decreased tremendeously. But after 2010, exercise duty increases slightly. This traineds of exercise duty has many reasons. One of then may be decreasing rate of exercise duty to promote manufacturing sector thats why after 2010 exercise duty increases slightly.

Question 6:
Directions: The following table gives the GDP growth rate and Teledensity data of different States of a country in a particular year. Study the table and answer the two items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. With reference to the above table, the following assumptions have been made: [2018-II]
1. Nowadays, prosperity of an already high performing State cannot be sustained without making further large investments in its telecom infrastructure.
2. Nowadays, a very high Tele-density is the most essential condition for promoting the business and economic growth in a State.

Which of the above assumptions is/are valid?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Correct Answer is Option (d)

There are many points related to GDP of state and tele-density is similar to others according to table.

Question 7:
Directions: The following table gives the GDP growth rate and Teledensity data of different States of a country in a particular year. Study the table and answer the two items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. With reference to the above table, which of the following is/are the most logical and rational inference/inferences that can be made? [2018-II]
1. Higher per capita income is generally associated with higher Tele-density.
2. Higher GDP growth rate always ensures higher per capita income.
3. Higher GDP growth rate does not necessarily ensure higher Tele-density.

Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3
(c) 1 and 3

(d) 3 only

Correct Answer is Option (c)
The most logical and rational inference is Higher per capita income is associated with higher Tele-density and high GDP does not ensure higher Tele-density.

Question 8: The graph given below indicates the changes in key policy rates made by the Central Bank several times in a year:  [2018-II]
Key policy rates in %
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Which one of the following can be the most likely reason for the Central Bank for such an action?
(a) Encouraging foreign investment
(b) Increasing the liquidity
(c) Encouraging both public and private savings
(d) Anti-inflationary stance

Correct Answer is Option (d)
Repo rate and reverse repo rate is directly related to Anti-inflationary stance

Question 9: Consider the following graphs. The curves in the graphs indicate different age groups in the populations of two countries A and B over a period of few decades:  [2018-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
With reference to the above graphs, which of the following are the most logical and rational inferences that can be made?
1. Over the last two and a half decades, the dependency ratio for country B has decreased.
2. By the end of next two and a half decades, the dependency ratio of country A will be much less than that of country B.
3. In the next two decades, the work-force relative  to its total population will increase in country B compared to country A.

Q. Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

Correct Answer is Option (c)
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

1. In country B, over the la st two and a h alf decades (2025 to 2050), the sum of the number of people aged less than 15 years and more than 64 years is slightly increased but number of people aged from 15 to 64 years increased tremendeously.  Therefore dependency radio of country B has decreased over the last two and half decades.
2. By the end of next two and a half decades (i.e. 2075), sum of the number of people aged less than 15 years and more than 64 years of country A is more than that of country B where as number of people of aged from 15 to 64 years of country A is less than that of country B.

Hence by the end of next two and a half decades, the dependency ratio of country A will be more than that of country B.
3. In the next two decades (i.e. 2050-2070), graph of workforce (i.e. population of aged from 15 years to 64 years) of country A is going lower and that of country B is going higher.

Therefore, in the next two decades, the work-force relative to its total population will increase in country B as compared to country A.

Question 10: Consider the following figures A and B:       [2018-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The manufacturing cost and projected sales for a product are shown in the above figures A and B respectively.

What is the minimum number of pieces that should be manufactured to avoid a loss?
(a) 2000
(b) 2500
(c) 3000
(d) 3500

Correct Answer is Option (a)
Manufacturing cost of 1000 pieces = 600000 Cost of 1 piece when 1000 pieces manufactured
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Selling price of 1 piece when 1000 pieces manufactured = 400
Manufacturing cost of 2000 pieces = 700000
Cost of 1 piece when 2000 pieces manufactured
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Selling price of 1 piece when 2000 pieces manufactured = 350 Hence, required number of pieces = 2000

Question 11: Average hourly earnings per year (E) of the workers in a firm are represented in figures A and B as follows :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. From the figures, it is observed that the
(a) values of E are different
(b) ranges (i.e., the difference between the maximum and the minimum) of E are different

(c) slopes of the graphs are same
(d) rates of increase of E are different

Correct Answer is Option (c)
From the two given graphs, we got that slopes of two graphs are same.

Question 12:
Directions: Consider the following graph in which the birth rate  and death rate of a country are given, and answer the two items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
With reference to the above graph, consider the following statements considering 1970 as base year:     [2018-II]
1. Population has stabilized after 35 years.
2. Population growth rate has stabilized after 35 years.
3. Death rate has fallen by 10% in the first 10 years.
4. Birth rate has stabilized after 35 years.

Q. Which of the above are the most logical and rational statements that can be made from the above graph?
(a) 1 and 2 only
(b) 1, 2 and 3
(c) 3 and 4
(d) 2 and 4

Correct Answer is Option (d)
After 2005 birth rate and population growth has no change.

Question 13:
Directions: Consider the following graph in which the birth rate  and death rate of a country are given, and answer the two items that follow.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Looking at the graph, it can be inferred that from 1990 to 2010  [2018-II]

(a) population growth rate has increased
(b) population growth rate has decreased
(c) growth rate of population has remained stable
(d) population growth rate shows no trend

Correct Answer is Option (d)
According to the graph, population growth rate shows no trend.


Question 14: Consider the following graph: [2018-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Which one of the following statements is not correct with reference to the graph given above?
(a) On 1st June, the actual progress of work was less than expected.
(b) The actual rate of progress of work was the greatest during the month of August.
(c) The work was actually completed before the expected time.
(d) During the period from 1st April to 1st September, at no time was the actual progress more than the expected progress.

Correct Answer is Option (d)
According to the given graph, during mid of the August, actual progress was more than expected progress.

Question 15: The proportion of expenditure on various items by two families A and B are represented in the following Bar Charts: [2015-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
From these charts, we can conclude that
(a) Family A spent more money on food than Family B.
(b) Family B spent more money on food than Family A.
(c) Family A and Family B spent the same amount on food.
(d) The expenditure on food by Family A and Family B cannot be compared.

Correct Answer is Option (c)
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
So, Both A and B spent same amount on the food.

Question 16: Year-wise variation of the price of a certain commodity is shown in the following graph:    [2015-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The price of the commodity in the year 1990
(a) must have been Rs. 10/-
(b) must have been Rs. 12/-
(c) must have been any where between Rs. 10/- and Rs. 20/-
(d) is higher than that in the year 1991

Correct Answer is Option (c)
From the graph commodity price are between Rs. 10 and Rs. 20.

Question 17: The graph below depicts the earnings of A and B over the period 2000 to 2010:    [2015-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
From the graph, which one of the following can be concluded?
(a) On the average A earned more than B during this period.
(b) On the average B earned more than A during this period.
(c) The earnings of A and B were equal during this period.
(d) The earnings of A were less as compared to B during this period.

Correct Answer is Option (a)
From given years 2000 to 2007
Earnings of A > Earnings of B
So,
Average of A > Average of B
Hence, It can be conducted that the average A earned more than B during this period.

Question 18: An automobiles own er r educed his mon th ly petr ol consumption when the prices went up. The priceconsumption relationship is as follows:   [2015-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
If the price goes up to Rs. 80 per litre, his expected consumption (in litres) will be
(a) 30
(b) 28
(c) 26
(d) 24

Correct Answer is Option (a)

Th e product of price (in Rs./litre) and the monthly consumption (in litres) in constraint is equal to 2400.
Expected consumption when the price goes up to Rs. 80 per
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Question 19: The following table gives population and total income of a city for four years :               [2014-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Which one of the following statements is correct inrespect of the above data ?
(a) Population increased by 5% or more every year.
(b) Income increased by 10% or more every year.
(c) Per capita income was always above Rs. 5,000.
(d) Per capita income was highest in 1994.

Correct Answer is Option (c)
Rule out options:-Option (a): - We clearly see that from 1993 to 94, increase in pop is less than 5% Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Option (b): - from year 1994 to 1995
Increase in income = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
∴ Not true
Option (c): per capita income (p.c.i.)
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Option (c) is correct.

Question 20:
36. Th e fol lowin g table sh ows the marks obtain ed by two students in different subjects : [2014-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The difference in the mean aggregate percentage marks of the students is
(a) 2.5 %
(b) 13.75%
(c) 1.25%
(d) Zero

Correct Answer is Option (d)
For A Agg marks = 60 + 70 + 50 + 30 = 210
Agg max marks = 100 + 100 + 100 + 50 = 350
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
For B:
Agg marks = 80 + 70 + 60 + 15 = 225
Agg max marks = 150 + 100 + 100 + 25 = 375
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Difference in agg percentage = 0
Note: Difference in agg percentage is same as difference in mean agg percentage.

Question 21:
Directions: The following graph shows the average profit of two fruit-sellers A and B in thousands (Rs.) per year from the year 1995 to 2000. Consider the graph and answer the 4 (four) items that follow :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
35. What is the trend of the average profit of B from the year 1997 to the year 2000 ? [2014-II] Consider the following matrix :
(a) Non-increasing
(b) Non-decreasing
(c) Steady
(d) Fluctuating

Correct Answer is Option (b)
Non-decreasing

Question 22:
Directions: The following graph shows the average profit of two fruit-sellers A and B in thousands (Rs.) per year from the year 1995 to 2000. Consider the graph and answer the 4 (four) items that follow :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
34. How much more average profit did A make in the year 2000 than in the year 1999 ? [2014-II]
(a) Rs. 200
(b) Rs. 1,000
(c) Rs. 1,500
(d) Rs. 2,000

Correct Answer is Option (d)
In 2000, Profit of A = 6000
In 1999, profit of A = 4000
∴ Difference = Rs. 2000

Question 23:
Directions: The following graph shows the average profit of two fruit-sellers A and B in thousands (Rs.) per year from the year 1995 to 2000. Consider the graph and answer the 4 (four) items that follow :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
33. What is the difference between the average profit of B and A in the year 1998 ? [2014-II]
(a) – Rs. 100
(b) – Rs.1,000
(c) + Rs. 600
(d) – Rs. 300

Correct Answer is Option (c)
From the graph, we observe that the difference between points A & B is more than half of 1000, but less than 1000.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

∴ 500 < |Difference between A and B| < 1000.

From the option, + 600 satisfies this condition.

Question 24:
Directions: The following graph shows the average profit of two fruit-sellers A and B in thousands (Rs.) per year from the year 1995 to 2000. Consider the graph and answer the 4 (four) items that follow :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
32. In which year is the average profit of A and B same ? [2014-II]
(a) 1995
(b) 1996
(c) 1997
(d) 1998

Correct Answer is Option (b)
From the given options, in 1996, the graphs of A & B intersect, which shows, same average profit.
 Ans - 1996

Question 25:
Directions: Study the two figures given below and answer the questions that follow:
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. If the Psychology professors in the University constitute 2% of all the professors in the University, then what is the number of professors in the University? [2013-II]
(a) 400
(b) 500
(c) 600
(d) 700

Correct Answer is Option (b)
Let the number of professors in the university = x According to question
2% of x = 10
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Question 26:
Directions: Study the two figures given below and answer the questions that follow:
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. If the number of female Physics professors in the age group 25 – 34 equals 25% of all the Physics professors in that age group, then what is the number of male Physics professors in the age group 25 – 34? [2013-II]
(a)9
(b) 6
(c) 3
(d) 2

Correct Answer is Option (a)
Number of all physics professors in age group
25 – 34 = 30% of 40  = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Number of female physics professors in the age group
25 – 34 = 25% of 12 = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
 Number of male physics professors in the age group 25 – 34 = 12 – 3 = 9


Question 27:
Directions: Study the two figures given below and answer the questions that follow:
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. What percentage of all Psychology professors are females? [2013-II]

(a) 40%
(b) 50%
(c) 60%
(d) 70%

Correct Answer is Option (c)
No. of females psychology professor = 6
No. of males psychology professor = 4
Required percentage = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Question 28:
Directions: Study the two figures given below and answer the questions that follow:
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which one of the following disciplines has the highest ratio of males to females? [2013-II]
(a) Physics
(b) Mathematics
(c) Chemistry
(d) Economics

Correct Answer is Option (a)
By looking to graph I. We can deduce that physics discipline has the highest ratio of males to females.

Question 29:
Directions: Study the two figures given below and answer the questions that follow:
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. How many Physics pr ofessor s belong to the age group 35 – 44? [2013-II]

(a) 18
(b) 16
(c) 14
(d) 12

Correct Answer is Option (b)
Number of professors in physics = 40 Percentage of professors in age group 35 – 44 = 40%
 Physics professors belong to age group
35 – 44 = 40% of 40
= 16

Question 30:
Consider the following diagrams:  [2013-II]
x men, working at constant speed, do a certain job in y days.

Which one of these diagrams shows the relation between x and y?
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Correct Answer is Option (d)
Time taken to finish a work is inversely proportional to the number of persons working at it.
 More persons then less is the time taken to finish a job. Hence, diagram IV represents the relation between x and y.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC


Question 31:
Consider the following information regarding the performance of a class of 1000 students in four different tests:
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
If a student scores 74 marks in each of the four tests, in which one of the following tests is her performance the best comparatively?    [2012-II]
(a) Test I
(b) Test II
(c) Test III
(d) Test IV

Correct Answer is Option (b)
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

90 – 30 = 75, 75 – 45 = 30 100 – 20 = 80 110 – 0 = 110

If a student scores 74 marks in each of the four tests, his performance would be the best comparatively in test II because there would be less numbers of the students in this range in test II only.


Question 32:
Consider the following distance - time graph. The graph shows three athletes A, B and C running side by side for a 30 km race.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
With reference to the above graph, consider the following statements : [2011-II]
1. The race was won by A.
2. B was ahead mark of A up to 25 km mark
3. C ran very slowly from the beginning.

Which of the statements given above is/are correct ?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3

Correct Answer is Option (b)
Since x axis shows the distance and y axis shows the time, hence lower graph will show faster athlete and higher graph will show slower athlete. Height of A's graph is the lowest, hence, the race was won by A. Height of B's graph is lower than A's graph up to 25 km, hence B was running faster than A up to 25 km. The height of C's graph is the lowest from the beginning, hence he run very fastly from the beginning, Hence statement 3 is not correct.

Question 33:
Directions: Read the passage given below, study the graph that follows and answer the three items given below the figure.

During a party, a person was exposed to contaminated water. A few days later, he developed fever and loose motions. He suffered for some days before going to a doctor for treatment. On starting the treatment, he soon became better and recovered completely a few days later. The following graph shows different phases of the person's disease condition as regions A, B, C, D and E of the curve.    [2011-II]

Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Q. Which region of the curve indicates that the treatment yielded effective relief ?
(a) C
(b) D
(c) E
(d) The curve does not indicate the treatment

Correct Answer is Option (c)
Though relief began from region C but only region E indicates effective relief.

Question 34:
Directions: Read the passage given below, study the graph that follows and answer the three items given below the figure.

During a party, a person was exposed to contaminated water. A few days later, he developed fever and loose motions. He suffered for some days before going to a doctor for treatment. On starting the treatment, he soon became better and recovered completely a few days later. The following graph shows different phases of the person's disease condition as regions A, B, C, D and E of the curve.    [2011-II]

Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Q. Which region of the curve indicates that the person began showing the symptoms of infection ?
(a) A
(b) B
(c) C
(d) D

Correct Answer is Option (b)
Region B clearly shows the symptoms of infection.

Question 35:
Directions: Read the passage given below, study the graph that follows and answer the three items given below the figure.

During a party, a person was exposed to contaminated water. A few days later, he developed fever and loose motions. He suffered for some days before going to a doctor for treatment. On starting the treatment, he soon became better and recovered completely a few days later. The following graph shows different phases of the person's disease condition as regions A, B, C, D and E of the curve.    [2011-II]

Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which region/regions of the curve correspond/corresponds to incubation phase of the infection?
(a) A only
(b) B only
(c) B and C
(d) No part of the curve indicates the incubation phase

Correct Answer is Option (a)
Incubation phase means the time between somebody being infected with a diseases in graph part A shows that phase.

Question 36:
Consider the following Velocity – Time graph. It shows two trains starting simultaneously on parallel tracks.
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. With reference to the above graph, which one of the following statements is not correct ?      [2011-II]
(a) Train B has an initial acceleration greater than that of Train A.
(b) Train B is faster than Train A at all times.
(c) Both trains have the same velocity at time t0.
(d) Both trains travel the same distance in time t0 units.

Correct Answer is Option (d)
Distance = time x speed, here train B is faster than train A, hence Train B will cover more distance than train A.

Question 37:
Directions: The following pie charts show the break up of disease categories recorded in the patients from two towns, Town A and Town B. Pie charts plot the disease categories as percentage of the total number of patients. Based on these answer the two items that follow the charts.    [2011-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. What can we say about persons with more than one disease from these graphs ?
(a) There are likely to be persons with more than one disease in Town A.
(b) There are likely to be persons with more than one disease in Town B.
(c) There are likely to be persons with more than one disease in both Towns A and B.
(d) No inference can be drawn.

Correct Answer is Option (b)
The sum of percentage of patients in town A is 100, hence there is no any patient with more than one disease.

Question 38:
Directions: The following pie charts show the break up of disease categories recorded in the patients from two towns, Town A and Town B. Pie charts plot the disease categories as percentage of the total number of patients. Based on these answer the two items that follow the charts.    [2011-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which of the two towns has a higher number of persons with Diabetes ?
(a) Town A
(b) Town B
(c) Same in Town A and Town B
(d) No inference can be drawn

Correct Answer is Option (d)
Populations of both towns A and B are not given, hence, no inference can be drawn.

Question 39: The following figure has four curves namely A, B, C and D. Study the figure and answer the item that follows.    [2011-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which curve indicates the exponential growth ?
(a) A
(b) B
(c) C
(d) D

Correct Answer is Option (d)
Exponential growth means increase exponentially. Only graph D shows the exponential growth of population during year 1800 - 2000.

Question 40: Consider the four age pyramids given below namely A, B, C and D representing four different countries.    [2011-II]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which one of them indicates the declining population ?
(a) A
(b) B
(c) C
(d) D

Correct Answer is Option (c)
Declining population means greater number of death rate i.e. narrower upper part and lower number of birth rate i.e. narrower base. These conditions are satisfied by ‘pyramids C’.

Question 41: The following table shows the percentage change in the consumption of electricity by five towns P, Q, R, S, T from 1986 to 1988 : [2001]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. If town T consumed 500,000 units in 1986, how much did it consume in 1988?
(a) 371,000 units
(b) 531, 100 units
(c) 551,100 units
(d) 571, 100 units

Correct Answer is Option (b)
If there are two percentage changes of x% and y%,
then net % change = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Net % change for T from 1986 to 1988,
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
 Consumption of electricity by T in 1988
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Question 42: The distribution of 1,00,000 tourists who visited India during a particular year is shown in the given charts. Based on this, the number of Japanese tourists below the age of 39 who visited India in the year concerned is [2000]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
(a) 10,000
(b) 8,000
(c) 6,000
(d) 4,000

Correct Answer is Option (d)
Tourists from Japan = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
% below 39 years = 10 + 10 = 20%
 % of Tourists from Japan below 39 years
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC

Question 43: A company manufacturing air-conditioners set a monthly target. The target and realised values are shown in the bar chart. [1999]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Consider the following statements based on the chart
1. The targeted sales on a monthly basis have been achieved
2. The overall target value has been exceeded by 7.5%
3. The Sales Department deserves a pat on the back
Which of the above statements is/are correct?
(a) 1 alone
(b) 2 alone
(c) 1 and 2
(d) 2 and 3

Correct Answer is Option (b)
From the given bar graph, we can observe that overall target value has been exceeded by 7.5%

Question 44: The yield versus fertilizer input is shown in the graph. [1999]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Consider the following statements based on this graph:
1. Yield rate is zero at B and C
2. There is no yield with no fertilizer input
3. The yield is minimum at D
4. The yield is neither minimum nor maximum at C
Which of the above statements are correct?
(a) 1, 2 and 4
(b) 3 and 4
(c) 2 and 3
(d) 1, 3 and 4

Correct Answer is Option (b)
From the graph, it can be seen that yield rate is not zero at B and C. With no fertilizer input, yield is 20. Yield is clearly minimum at D, i.e., 8. At C, yield is 20 and it is neither maximum nor minimum. So clearly option 3 and 4 are correct.

Question 45: Production of Rice and Wheat (In ‘million of Tonnes’) [1998]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The above table indicates the performance of India in rice and wheat production from 1950-51 to 1995-96. Which of the following conclusions arrived at from the above table would be valid?
1. Record production of rice as well as wheat has been increasing in 1994-95
2. The ratio of wheat to rice production seems to have steadily increased over 16 years
3. Wheat has not been popular among the In dian population before 1980
4. India became self-sufficient in rice and wheat only after 1990
Select the correct answer using the codes given below:
Codes:
(a) 1 and 2
(b) 1, 2, 3 and 4
(c) 3 and 4
(d) None of these

Correct Answer is Option (a)
From the given table, we see that record production of rice & wheat has been in 1994-95 and that are 81.81 M tonnes and 65.77 M tonnes respectively. Also from 1980 to 1995 production seems to have steadity increase.

Question 46: The misery index is the sum of a country's unemployment and inflation rate. The higher the index, the more miserable is the country to live in. The figure given below is the misery index for various countries in Europe. [1998]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which of the following conclusions can be drawn from the misery index given above?
1. Britain is the most miserable country to live In
2. The inflation rate in Spain is less than that in Belgium and Britain
3. Italy and France seem to have almost identical unemployment
4. The higher the misery index, the higher the inflation rate Select the correct answer using the codes given below:
Codes:
(a) 1 alone
(b) 2 and 3
(c) 1, 2, 3 and 4
(d) None of these

Correct Answer is Option (b)
The inflation rate in spain is less than that in Belgium and Britain. In graph Italy and France seem to have almost identical unemployment.

Question 47: The following table shows the percent change in the amount of sales (in rupees) at different retail stores in a given neighbourhood market in the period 1993 to 1995   [1997]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
If the sales at Anshu store amounted to Rs. 8 lakh in 1993, then the amount of sales (in lakh rupees) at that store in 1995 was
(a) 7.92
(b) 8.00
(c) 8.80
(d) 9.68

Correct Answer is Option (a)
If there are two changes of x % and y %,
then net change =x + y +Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Net change= 10 – 10 + Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
 Amount of sales in 1995  = Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC


Question 48: The number of students in two sections, A and B having different heights is shown in the following Table. [1997]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
The ratio of the number of students of a particular height in section A to that in section B is the maximum for the height of
(a) 1.55 m
(b) 1.60 m
(c) 1.65 m
(d) 1.71 m

Correct Answer is Option (a)
Ratio of students of section A to B is maximum for 1.55 category height, it is 3/2 = 1.5

Question 49: The given pie charts show the proportion of literates and illiterates in a country, in the year 1970 and 1990,
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
and also the proportion of males (M) and females (F) among the literates. Which one of the following statements can be said to be true beyond any doubt? [1996]
(a) In 1970 half of the illiterates were women (females)
(b) The proportion of literate males to the total population of males remained the same over the years
(c) Male literacy did not improve over this period
(d) The ratio of female literates to male literates improved significantly over this period

Correct Answer is Option (d)
It can be clearly seen from the chart that the ratio of female literates to male literates has improved.

Question 50: The following figure represents sales (in thousands). over the period 1978 to 1983. [1996]
Q.The sales in 1981 exceeded that in 1979 by
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
(a) Rs. One hundred
(b) Rs. Ten thousand
(c) Rs. One lakh
(d) Rs. Ten lakh

Correct Answer is Option (c)
Sales in year 1979 = 320, 000
Sales in year 1981 = 420,000
Thus the required difference = 420,000 – 320,000
= Rs. 100,000

Question 51: The following table shows the percentage distribution of revenue expenditure of Government of India in 1989-90 and 1994-95 :
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Based on this table, it can be said that the Indian economy is in poor shape because the Central government continues to be under pressure to : [1996]
(a) reduce expenditure on defence
(b) spend more and more on interest payments
(c) reduce expenditure on subsidies
(d) spend more and more as grants-in -aid to State government/Union Territories

Correct Answer is Option (b)
According to the data showing revenues expenditure of Indian Government, it can be said that the Indian economy is in poor shape due to it’s increasing debt payments. Due to the burden of debt payments there remains little scope to utilize this money for any other purpose.

Question 52: The price fluctuations of 4 scrips in a stock market in the four quarters of a year are shown in the table below. Four different investors had the following portfolios of investment in the four companies throughout the year.

Portfolios
Investor 1:10 of A, 20 of B, 30 of C, and 40 of D
Investor 2 : 40 of A, 10 of B, 20 of C, and 30 of D
Investor 3 : 30 of A, 40 of B, 10 of C, and 20 of D
Investor 4 : 20 of A, 30 of B, 40 of C, and l0 of D
Stock Market Performance
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. In the light of the above which one of the following statement is correct? [1995]
(a) Investor 2 has made the best investment
(b) Investor 1 has made the best investment
(c) Investor 2 suffered a net loss during the year
(d) Investor 3 suffered a net loss during the year

Correct Answer is Option (b)
From portfolios table, are see that investor 1 has invested more in scrip  D, Which slow least down and that makes average investment by investor 1 is best compare to others.

Question 53: The variations in temperatures form 0°C to 100°C with respect to time of two liquids P, Q are shown in the graph given below:   [1995]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. Which one of the following statements is correct?
(a) During heating, liquid P remained hotter than liquid Q throughout
(b) At no point of time during heating did the two liquids have the same temperature
(c) P attained the temperature of 100°C-faster than Q
(d) Q attained the temperature of 100°C faster than P

Correct Answer is Option (d)
As given in the Graph , clearly Q attain s 100° C temperature faster than P.

Question 54: Consider the table given below providing details of traffic volume per hour for four locations: [1995]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
Q. When the total traffic volume is the same, respectively the factor(s) which affect(s) the noise pollution level is/are
(a) percentage of heavy vehicles
(b) noise pollution level and average noise level
(c) average noise level and % of heavy vehicles
(d) indeterminable on the basis of details given

Correct Answer is Option (a)
For I and III, traffic volume is same. Since, Average Noise level is same for I and III and % of Heavy vehicles differs for I and III, so clearly % of Heavy vehicles affects the noise pollution level.

Question 55: Consider the diagram given below: [1995]
Data Interpretation- Solved Questions(1995-2020) Notes | Study UPSC Topic Wise Previous Year Questions - UPSC
T : Transport Ec : Education and children
H : Housing
C : Clothing
F : Food
S : Savings
O : Others
Q. From the diagram shown it would be right to conclude that
(a) the family spent more than half of income on food and clothing
(b) the amount saved by the family was too little
(c) the family had no health problems
(d) the family managed to meet all the essential expenses out of the income earned

Correct Answer is Option (d)
From the diagram, family do not spend more than half of income on food and clothing. Amount saved by the family is not too little. Health problems may come under the others category. Here, family clearly manages to meet all the expenses out of the income.

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