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RRB NTPC Previous Year Paper (Allahabad) - 2013


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90 Questions MCQ Test RRB NTPC - Previous Year Papers | RRB NTPC Previous Year Paper (Allahabad) - 2013

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RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 1

Which district is least densely populated in Rajasthan ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 2

How many districts of Rajasthan are not touched by any of the boundaries of state and country ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 3

Which of the following river is known as ‘Bihar ka shok’ ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 4

Which type of painting literally means ‘wax writing’ ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 5

Which festival is celebrated on the first day of Chaitra after Holi festival ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 6

In which district of Rajasthan does the Aravalli hills have its highest peak ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 7

Which God is worshipped in Chhath Parva ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 8

”Masala Park” is related to which city to Rajasthan ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 9

Which battle was fought between Akbar and Rana Pratap of Mewar ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 10

What is the Sex ratio of Rajasthan (according to 2011 Census) ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 11

Which is the closest city to the geographical centre of India ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 12

What is the period of a Fiscal/Financial Year in India ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 13

What is the time difference between Indian Standard Time and Greenwich Meridian ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 14

In which year was “Jana Gana Mana” adopted as the National Anthem ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 15

What is the directional growth movement of a plant part in response to the touch of an object called ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 16

If the potential difference across an electric bulb is 4.6 V and the current flowing through it is 0.25A what is the resistance of the bulb ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 17

A ray of light hits a plane mirror at 60° from the normal What is the angle between the reflected ray and the surface of the mirror ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 18

What is the name of the mode of reproduction by which the offspring arises from a single parent and inherits the genes of that parent only ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 19

If a charge of 15.0 C flows through a wire and the amount of electrical energy converted into heat is 1.5 J what is the potential difference across the ends of the wire ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 20

When a beam of light (wavelength=450nm) originally traveling in air enters a piece of glass (index of refraction 1.50) what will happen to its frequency 

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 21

Evolutionary principles have been used for classification of animals and plants According to this humans come under which class ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 22

Who discovered the fact that _____”An electric current produces a circular magnetic field as it flows through a wire” ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 23

If light enters an equilateral glass prism (n=1.50) with an angle of incidence of 45 degree what is the angle of refraction as the beam emerges from the prism ?Note that an equilateral triangle has three 60° angles.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 24

When a current carrying conductor is placed above a magnetic needle what is the maximum deflection that can be produced ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 25

Who has been appointed as the New Chairman of Rajasthan Public Service Commission (RPSC) on 1st September 2012?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 26

What is the population growth rate according to 2011 census in Rajasthan ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 27

”Kesariya Balam” Song is sung in which singing style ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 28

Rajasthan day is celebrated on

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 29

What percentage of area is the area of Rajasthan in India ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 30

Who built the Taragarh fort of Ajmer ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 31

What was the name of Meera Bai’s husband ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 32

In India where is the largest salt water lake situated ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 33

What is the “Himalayan Yew” ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 34

The “Jal Satyagraha” started in 2012 is associated with which of the following dam ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 35

What was the percentage contribution of service sector in GDP of Rajasthan in 2011 ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 36

In which of the following tribals the head of entire village is referred to as ‘Gameti’ ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 37

Amrita Devi lost her life for the sake of

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 38

Through which of the following district of Rajasthan does the Tropic of Cancer pass by ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 39

What is the name of the two historical monuments that are going to be connected by the tunnel in the capital city Jaipur of Rajasthan ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 40

In which of the following district of Rajasthan is “Kameshwari” oil found ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 41

What is the name of the purest form of rainwater in Rajasthan ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 42

In which city of Rajasthan was IIT started ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 43

In which month the festival of “choti teej” is celebrated ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 44

Who was the first Elected Chief Minister of Rajasthan ?

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 45

Which one of the following Venn diagrams best describes the words ‘days’, weeks’, calendar’ ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 45

The days of the week are subset of weeks and weeks are subset of the calendar. Hence, the best way to describe them using Venn Diagram is by drawing second as a subset of the first and the third as a subset of the second.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 46

What is the minimum number of colours needed to colour the sides of a cube so that adjacent side are not of the same colour ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 46

If we use the same colour only for opposite sides, the adjacent sides will be of different colours.Since there are 3 pairs of opposite sides, a minimum of 3 colours would be needed.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 47

Which of the following can be described by the Venn diagram below ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 47

The first two sets are non-overlapping circles embedded in a bigger circle. So, those sets should be mutually exclusive but both should be subsets of the third set. That is true in the case of chairs, tables and furniture.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 48

A bag contains 10 pairs of socks (each pair of different colour). How many draws are required at the most to get a matching pair ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 48

In the worst case scenario, the first ten tries would be of different colours. The eleventh sock taken out should then definitely be of one the ten colours already drawn.

Thus, a maximum of 11 tries are required to find a matching pair.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 49

Pointing to a person in a photograph Anil said “His father is the father of my father” How is the son of the person in photograph related to Anil ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 49

The person in the photograph is Anil's uncle. So, this uncle's son is Anil's cousin.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 50

Complete the series

62, 126, 254, 510

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 50

The series comprises of 2x+ 2 of every number in the series. So, the first number is 62. 2x 62+ 2 = 126 (second term)

2x 126 + 2 = 254 ( third number) and so on.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 51

If ‘training is coded as ‘tannriig’ then how is ‘placement’ coded ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 51

The code consists of selecting all the odd terms first and then followed by even terms of the word.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 52

If ‘dog’ is ‘cat’ is ‘rat’ ‘rat’ is ‘mat’ ‘mat’ is ‘cow’ then which one of the following is not an animal ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 52

Mat is not an animal and it is coded as cow. So, cow is the only non-animal in the list.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 53

Complete the series

24, 60, 120, 210 _____

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 53

the difference between the numbers increases as multiples of 6.

The difference between the first two numbers is 6 x 6 = 36

The difference between the second and the third numbers is 6 x 10 = 60

The difference between the third and fourth numbers is 6 x 15 = 90

The difference between the fourth and fifth numbers is 6 x 21 = 126, etc

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 54

Find the missing number in the series

1,4, ?, 4, 1

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 54

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 55

Five years ago the ratio of Krishna’s age to his father’s age was 1:4 and five years from now their ages will be in the ratio 2:5 What is the ratio of their present ages ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 55

The ratio of ages of Krishna and his father 5 years ago was = 1:4

So, let their ages be x and 4x

Five years later their ages are x+10: 4x + 10

But that is in the ratio of 2 : 5

So, 5x + 50 = 8x + 20

So, x = 10

Their ages now = 15:45 = 1:3

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 56

If Anil’s salary is one-third more than that of Sunil’s then by what percentage Sunil’s salary is lesser than Anil’s ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 56

Let Sunil's salary be 100 Rs.

Anil's salary = 133.33 Rs

Sunil's salary is less than Anil's by 33.33/133.33 = 25%

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 57

A carpenter bought a rectangular white board of dimension 4 feet x 3 feet, which cost him Rs 12 per square feet.The cost of fixing aluminum lining to all the edges was Rs 4 per feet.At what price should he sell the finished white board so as to gain 25% on the cost price ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 57

The cost of the board = 4x3x12= 144

Cost of the aluminium lining = (4+4+3+3)x4 = 56

So total cost = 200 Rs

Selling price = 200 x 1.25 = 250 Rs

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 58

What is the time taken for a 300 metre long train speeding at 60 kmph to cross a pole ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 58

Length of the train = 300 metres.

Speed = 60 kmph = 60 * 5/18 m/s

Time taken = length / speed = 300*18/60*5 = 18 seconds

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 59

Hari can do a piece of work in 30 days while giri can do the same work in 20 days working together they complete the work for which they are paid Rs 1000 in total.What is Hari’s share ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 59

Let the total units of work be 300.

Hari's speed = 300/30 = 10 units/ day

Giri's speed = 300/20 = 15 units/day

So, Hari's share of the total amount = 1000* 10/25 = 400 Rs

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 60

Sum of two positive integers is 10 while their product is 24 What is the LCM of these numbers ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 60

If the numbers are x and y, xy = 24

x + y =10

So, the individual numbers are 4, 6

LCM of 4 and 6 = 12

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 61

A certain amount which was loaned on simple interest doubled in 10 years Then the amount received is loaned on compound interest for another 2 years on the same rate What is the total rise in the amount after 12 years with the initial principal amount ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 61

The amount doubled in 10 years. So, the interest = principle.

So, rt/100 = 1

r = 10% pa

Now compound interest = ?

2P(1 + 1.1)2 = 2P x 1.21 = 2.42P

Total rise is P to 2.42P = rise of 142%

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 62

Length and breadth of a rectangle are in the ratio 3:4 while the perimeter of it is 56 cm.What is the area of the rectangle ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 62

The length and breadth are in the ratio 3:4

Let them be 3x and 4x respectively.

Perimeter = 56

So, 2(7x) = 56

So, x = 4

Area = 3x * 4x = 3*4*4*4 = 192 sq cms

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 63

A person used to get 15 litres of petrol for a certain amount but due to the hike in the price he is getting one litre less for the same amount What is the percentage rise in the petrol price ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 63

Let the amount that is fixed be 210 Rupees

He used to get 15 litres of petrol for Rs. 210 earlier and then only 14 litres.

Initial cost of petrol = 210/15 = 14 Rs

Final cost of petrol = 210/14 = 15 Rs.

% rise in petrol price = 100/14 = 7 1/7

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 64

An article costs Rs. 80 to the vendor. If he marks the article for 50% more than the cost price and sells it 25% less than the marked price, what is his gain percentage ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 64

Cost Price of the article = 80 Rs.

Marked Price = 80 x 1.5 = 120

Selling Price = 120 x .75 = 90

Profit = 10 Rs

Profit % = 10/80 = 12.5%

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 65

Two bikers A and B started for a race of 120 km with a constant speed of 30 kmph and 40 kmph respectively. After 2 hours A raised his speed and both reached the finish line at same time What was the speed of A after 2 hours of starting the race ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 65

Let A's new speed be x kmph after 2 hours. Total time taken by B = 120/ 40 = 3 hours.

Total distance travelled by A in 2 hours = 30 x 2 = 60 kms

So,

A should travel 60 kms in the last one hour. He can do that if he travels at 60 kmph.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 66

The inlet to a tank can fill it in 4 hours while the outlet to the tank can empty it in 5 hours Both the pipes were opened at 9 Am but after sometime the outlet was closed and it is observed that the tank was full at 5 PM. At what time was the outlet closed ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 66

Let the outlet be open for x hours.

Let there be 100 units of water in the tank.

So, the speed of inlet is 25 units per hour and speed of the outlet is - 20 units per hr.

Let them be open for x hours. So, the total tank filled is 25 x - 20x =5x

For 8 - x hours the inlet is open. So, units of water = (8-x)*25

But that sum = 100

5x + 200 - 25 x = 100

20 x = 100

So, x = 5 hours. ie till 2 PM

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 67

When product of two numbers is 768 and LCM is 96 what is the HCF of these numbers ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 67

LCM x HCF = Product of the numbers

So, HCF = product/ LCM = 768/96 = 8

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 68

One-fourth of an amount was loaned at simple interest with 2% rate of interest and the remaining part was lent on simple interest at 3% rate of interest What is the average rate of interest for the whole amount ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 68

Let the amount be 100 Rs.

One fourth of it is at 2 % pa

So, 25 x 2 x 1 /100 = .5

The rest is on 3% pa interest.

So, 75 x 3 x 1 /100 = 2.25

So total interest = 2.75

Interest rate = ?

Interest rate = i x 100/ pt

= 2.75 x100/100 = 2.75%

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 69

The ratio of occupied seats to the vacant seats in a bus is 1:4 By the time the bus started some more passengers tried to enter the bus which would have made the ratio 4:1 But as they failed in the attempt they were seated in an empty bus with same capacity as the previous one.What is the ratio of occupied seats to the vacant seats in this bus ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 69

Let there be 100 seats in each bus. Initial ratio = 1:4

So, the initial people seated = 20

New ratio = 4:1

So, new people = 60

In the new bus, the ratio = 60 : 40 = 3:2

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 70

The following table shows the sectoral distribution of production of Fabrics in India

Q. What is the share of output (approximate percentage) by the Handloom sector in the year 2005-06 ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 70

The approximate percentage of Handloom in the total = 6108 / 49577 = 12.3%

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 71

The following table shows the sectoral distribution of production of Fabrics in India

Q. What is the percentage increase (approximate) in the output by Mill sector in the year 2007-08 when compared to the previous year ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 71

approximate % increase in output of Mill sector in 2007-08 compared to previous year = 

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 72

Read the statement below and answer the question that follow:
Statement I:The contribution of mill sector to the total production of Fabrics in India does not exceed 4%.
Statement II.The ratio of the production by mill sector to that of Handloom sector in 2004-05 and 2006-07 are almost same.

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 72

percentage of mill sector to that of fabrics from 2002-03 to 2008-09 is given below:

3.56, 3.38 ,3.36, 3.32, 3.27, 3.17, 3.26

thus, in no year the % is greater than 4.∴ statement 1 is correct.

The ratio of mill sector to handloom in 2004-05 and 2005-06 are 26.67% and 27.1% respectively.∴ Statement 2 is also correct.Thus, option C is the right choice.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 73

If the same % decrease in the production of fabrics in 2008-09 continues the next year also what is the production in 2009-10 ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 73

percentage loss in 2008-09=(56025-54966)/56025 ×100=1.89%

the percentage loss in 2009-10 is 1.89%

=> the fabric production in 2009-10=98.11% of 54966=53927.68≅= 53927

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 74

Instructions -
In a survey conducted on 50000 people the percentage of people who read newspapers A,B,C are given in the form of square, circle, triangle respectively

Q. How many people do not read papers A, B or C ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 74

total percent of people reading at least one of A , B, C =92%

thus 8% do not read A, B, C.

=> no. of people who do not read papers A, B or C =8% of 50,000=4000

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 75

If 2.5% of the people who do not read newspaper A,B,C also do not read other newspapers, then how many read other newspapers ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 75

percent of people who do not read A,B or C=8%

no. of people who do not read A,B or C=8% of 50,000=4000

of this 2.5% do not read at all

=> 97.5% of 4000=3900 people who read other papers

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 76

Instructions-

Assuming the statement given in each question to be true choose the inference as one of the following:
A.True
B.False
C.Uncertain
D.None of the options.

Statement:m is an even integer and n is a multiple of 3.
Inference : m x n is divisible by 6

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 76

True

Because m is even ie divisible by 2. n is divisible by 3

So, their product is divisible by 2 x 3 ie 6.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 77

Assuming the statement given in each question to be true choose the inference as one of the following:

Statement:A Jungle comprises of Animals Trees Reptiles Birds.
Inference:All Animals live in Jungle.

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 77

False

Just because some animals live in the jungle doesn't imply that all animals live in the jungle.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 78

Assuming the statement given in each question to be true choose the inference as one of the following:

Statements:A student with average intelligence can attempt aptitude questions but he should have an interest in Mathematics.
Inference:Intelligence of the Student can be assessed by his interest towards Mathematics.

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 78

False.

The first statement says that students with average intelligence can attempt aptitude questions only if they have interest in Mathematics.

The second statements says that intelligence can be measured by the student's interest in mathematics. This contradicts the first statement as it assumes that all students with average intelligence are uninterested towards Mathematics.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 79

If ‘dear’ is coded as 1234, ‘head’ is coded as 2345, ‘tear’ is coded as 1346, ‘help’ is coded as 4758, then

Q. What can be the possible code for the word ‘their’ ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 79

The letter "e" is there in every word and the number "4" is there in every code. So, 4 represents e.Similarly, 1 represents r and 5 represents h as dear is coded as 1234 and r is dropped from dear and h is added to get head. Head is coded as 2345 ( 1 dropped and 5 added).

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 80

If ‘dear’ is coded as 1234, ‘head’ is coded as 2345, ‘tear’ is coded as 1346, ‘help’ is coded as 4758, then

Q. What can be the possible code for the word ‘their’ ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 80

The letter "e" is there in every word and the number "4" is there in every code. So, 4 represents e.

Similarly, 1 represents r and 5 represents h as dear is coded as 1234 and r is dropped from dear and h is added to get head. Head is coded as 2345 ( 1 dropped and 5 added).

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 81

If ‘dear’ is coded as 1234, ‘head’ is coded as 2345, ‘tear’ is coded as 1346, ‘help’ is coded as 4758, then

Q. What can be a possible word for the code 3478 ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 81

e and a are represented by 3 and 4. l and p are represented by 7 and 8 (only present in the last word ie help).

So, the required word is leap.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 82

If P→Q means P is father of Q, 
P+Q means P is brother of Q.
P*Q means Q is wife of P.
given that A→ B, C+B, C→ D, D+E, F*E, A*G then

Q. What does  denote in the relation G  E ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 82

E is the wife of F. So, E is female and can't be the grandson of G.

Hence the answer is G is the grandmom of E.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 83

If P→Q means P is father of Q, 
P+Q means P is brother of Q.
P*Q means Q is wife of P.
given that A→ B, C+B, C→ D, D+E, F*E, A*G then

Q. How is the relation between A and D represented ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 83

Based on the given information, A is the father of B and C. And C is the father of D.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 84

If P→Q means P is father of Q, 
P+Q means P is brother of Q.
P*Q means Q is wife of P.
given that A→ B, C+B, C→ D, D+E, F*E, A*G then

Q. If B marries H and is blessed with daughter then how is the new born related to C ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 84

C is B's brother. So, B's daughter will be C's niece.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 85

Instructions-

There are 15 students in a class who are equally distributed 5 benches forming a rectangular array of students.
Boys and Girls sit in separate benches Shravya is seated in one corner of first bench Jayant is diagonally opposite to her in the last bench.Aruna is in between Shravya and Kavya in one bench. Kavya asked the girl immediately behind her Shilpa for a pencil and Shilpa borrowed a pencil from the boy immediately behind her Anil, and gave it to Kavya Sunil is in between Anil and Jayant. After some time Shilpa goes out and Shravya sits in place of her but as Geeta did not want to sit beside Shravya Geeta swaps her place with Sweta.

Q. How many girls are there in the Class after Shilpa left the Class ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 85

The rows are assigned as girls only and boys only. Since there were 2 full rows of girls before Shilpa left, there are 5 girls remaining.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 86

Instructions-

There are 15 students in a class who are equally distributed 5 benches forming a rectangular array of students.
Boys and Girls sit in separate benches Shravya is seated in one corner of first bench Jayant is diagonally opposite to her in the last bench.Aruna is in between Shravya and Kavya in one bench. Kavya asked the girl immediately behind her Shilpa for a pencil and Shilpa borrowed a pencil from the boy immediately behind her Anil, and gave it to Kavya Sunil is in between Anil and Jayant. After some time Shilpa goes out and Shravya sits in place of her but as Geeta did not want to sit beside Shravya Geeta swaps her place with Sweta.

Q. Before Shilpa left the Class how was the seating placement for Jayant and Shilpa ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 86

Based on the information provided, Jayant is on the last bench - 2 places behind Shilpa.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 87

Instructions-

There are 15 students in a class who are equally distributed 5 benches forming a rectangular array of students.
Boys and Girls sit in separate benches Shravya is seated in one corner of first bench Jayant is diagonally opposite to her in the last bench.Aruna is in between Shravya and Kavya in one bench. Kavya asked the girl immediately behind her Shilpa for a pencil and Shilpa borrowed a pencil from the boy immediately behind her Anil, and gave it to Kavya Sunil is in between Anil and Jayant. After some time Shilpa goes out and Shravya sits in place of her but as Geeta did not want to sit beside Shravya Geeta swaps her place with Sweta.

Q. Immediately after Shilpa left the class who is in front of Sweta ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 87

After Shilpa left, Geetha and Sweta swapped their places. So, Swetha was exactly behind Aruna then.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 88

Instructions-

There are 15 students in a class who are equally distributed 5 benches forming a rectangular array of students.
Boys and Girls sit in separate benches Shravya is seated in one corner of first bench Jayant is diagonally opposite to her in the last bench.Aruna is in between Shravya and Kavya in one bench. Kavya asked the girl immediately behind her Shilpa for a pencil and Shilpa borrowed a pencil from the boy immediately behind her Anil, and gave it to Kavya Sunil is in between Anil and Jayant. After some time Shilpa goes out and Shravya sits in place of her but as Geeta did not want to sit beside Shravya Geeta swaps her place with Sweta.

Q. Which one of the following places is vacant immediately after Shilpa left the Class ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 88

Shilpa is seated in front of Arun. So, the position in front of Arun became vacant when she left.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 89

How many integers between 1 and 100 (inclusive) are neither divisible by 2 nor 3 ?

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 89

The odd numbers are not divisible by 2. There are 50 odd numbers.

There are 33 numbers between 1 and 100 that are divisible by 3. Of them, 17 are odd and 16 are even.

So, of the 50 odd numbers, we subtract the 17 that are divisible by 3. So, we get 33 numbers.

RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 90

Complete the series 1/2,1/6,1/12,1/20, .....

Detailed Solution for RRB NTPC Previous Year Paper (Allahabad) - 2013 - Question 90

The series is formed by inverse of products of 2 numbers taken at a time, ie 1 x 2, 2 x 3, 3x4, 4x5, 5x6, etc

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