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UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - UPSC MCQ


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30 Questions MCQ Test UPSC Previous Year Question Papers and Video Analysis - UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT)

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UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 1

The richer States have a responsibility to cut down carbon emissions and promote clean energy investments. These are the States that got electricity, grew faster and now have high per capita income, making them capable of sharing India's burden of becoming eco-friendly. Delhi, for example, can help by generating its own clean electricity using solar rooftop panels or even help poor States finance their clean energy projects. It is no secret that State Electricity Boards, which control 95% of the distribution network, are neck-deep in losses. These losses further discourage State utilities from adopting renewable energy as it is more expensive than fossil fuels.


Q.  Which among the following is the most logical and rational assumption that can be made from the above passage? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 1

The correct answer is A as it can drawn from the passage that  ‘These are the States that got electricity, grew faster and now have high per capita income, making them capable of sharing India's burden of becoming eco-friendly.’

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 2

Set against a rural backdrop, 'Stench of kerosene' is the story of a couple, Guleri and Manak, who have been happily married for several years but do not have a child. Manak's mother is desperate to have a grandchild to carry on the family name. Hence, she gets Manak remarried in Guleri's absence. Manak, who acts as a reluctant but passive spectator, is meanwhile, informed by a friend that Guleri, on hearing about her husband's second marriage, poured kerosene on her clothes and set fire to them. Manak is heartbroken and begins to live as if he were a dead man. When his second wife delivers a son, Manak stares at the child for a long time and blurts out, "Take him away ! He stinks of kerosene."


Q. This is a sensitive issue-based story which tries to sensitise the readers about

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 2

The statement 'Manak's mother is desperate to have a grandchild to carry on the family name' shows the influence of patriarchal mindset.

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UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 3

The ultimate aim of government is not to rule or control by fear, nor to demand obedience, but conversely, to free every man from fear, that. he may live in all possible security. In other words, to strengthen his natural right to exist  and work without injury to himself or others. The object of government is not to change men from rational beings into beasts or puppets. It should enable them to develop their minds and bodies in security, and to employ their reason unshackled.


Q. Which among the following is the most logical and rational inference that can be made from the above passage?

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 3

B is the correct option.The line -The ultimate aim of government is not to rule or control by fear, nor to demand obedience, but conversely, to free every man from fear, that  “he may live in all possible security”.  Shows that The primary concern of government is to provide absolute social security to all its citizens.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 4

Our municipal corporation are understaffed. The issue of skills and competencies of the staff poses an even greater challenge. Urban service delivery and infrastructure are complex to plan and execute.  They require a high degree of specialization and professionalism. The current framework within which municipal employees, including senior management, are recruited does not adequately factor In the technical and managerial competencies required. Cadre and recruitment rules only specify the bare minimum in academic qualifications. There is no mention of managerial or technical competencies, or of relevant work experience. This is the case with most municipal corporations. They also suffer from weak organisation design and structure.  
 

Q.  Which among the following in the most logical and rational assumption that can be made from the above passage? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 4

Our cities can provide better quality of life if our local government bodies have adequate staff with required skills and competencies. Our municipal corporation are understaffed. The issue of skills and competencies of the staff poses an even greater challenge. Urban service delivery and infrastructure are complex to plan and execute. They require a high degree of specialization and professionalism. The current framework within which municipal employees, including senior management, are recruited does not adequately factor In the technical and managerial competencies required. Cadre and recruitment rules only specify the bare minimum in academic qualifications. There is no mention of managerial or technical competencies, or of relevant work experience.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 5

Flamingos in large flock in the wild are social extremely loyal. They perform group mating dances. Parents are very fond of their chicks, gathering them into crèches for protection while both males and  females fly off to search for food. 

Q. Which among the following is the most logical corollary to the above passage? 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 6

Vast numbers of Indian citizens without bank accounts live in rural areas, are financially and functionally illiterate, and have little experience with technology. A research study was conducted in a particular area in which electronic wage payments in Mahatma Gandhi National Rural Employment Guarantee Scheme (MGNREGS) are meant to go directly to the poor. It was observed that recipients often assume that the village leader needs to mediate the process, as was the case under the previous paper-based system. Among households under this research study area who claimed to have at least one bank account, over a third reported still receiving MGNREGS wages in cash directly from a village leader.


Q. What is the most logical, rational and crucial message that is implied in the above passage? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 6

The correct answer is D as the most logical, rational and crucial message that is implied in the above passage is It is essential to provide financial literacy to the rural poor.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 7

Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines  the importance of balanced approaches that emphasize investments in the non-income aspects of human development. 


Q. With reference to till' above passage, consider the following statements: 
1. In developing countries, a strong institutional framework is the only requirement for human development and policy options
2. Human development and economic growth are not always positively inter-related.  
3. Focusing only on human development should be the goal of economic growth
Which of the above statements is/are correct ? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 7

C is the correct option. Only statement2 is correct as per the given paragraph.The two-way relationship between economic growth and human development suggests that nations may enter either into a virtuous cycle of high growth and large gains in human development, or a vicious cycle of low growth and low rates of HD improvement.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 8

Individuals, groups and leaders who promote human development operate under strong institutional, structural and political constraints that affect policy options. But experience suggests broad principles for shaping an appropriate agenda for human development. One important finding from several decades of human development experience is that focusing exclusively on economic growth is problematic. While we have good knowledge about how to advance health and education, the causes of growth are much less certain and growth is often elusive. Further, an unbalanced emphasis on growth is often associated with negative environmental consequences and adverse distributional effects. The experience of China, with its impressive growth record, reflects these broader concerns and underlines  the importance of balanced approaches that emphasize investments in the non-income aspects of human development. 


Q. With reference to the above passage, the following assumptions have been made:
1.Higher economic growth is essential to ensure reduction in economic disparity.
2.Environmental degradation is sometimes a consequence of economic growth 
Which of the above assumption/assumptions? 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 9

Q. If A runs less fast than B, and B runs as fast but not faster than C; then, as compared to A, C runs 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 9

The correct option is Option B.
(b) A < B < C 
Now, compared to A, C runs faster than A.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 10


Q.  Each of A., B, C and D has Rs 100. A pays Rs 20 to B, who pays Rs 10 to C, who gets Rs 30 from D. In this context, which one of the following statements is not correct? 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 11

Q.  In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 11


Number of population who read the magazine 
= (45 + 55 + 40) – (30 + 25 +15) + 10 
= 140 – 70 + 10 = 80% 
Number of population who do not read magazine 
= 100 – 80 = 20%
 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 12

Q.   Examine the following statements:

1.Lady's finger is tastier than cabbage.

 2.Cauliflower is tastier than lady's finger.

 3.Cabbage is not tastier than peas.  

The conclusion that can be drawn from these statements is that 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 12

(c) Cauliflower > Lady finger > Cabbage But Peas > Cabbage The conclusion that can be drawn from these statements is that cabbage is the least tasty among the four vegetable.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 13

Q.  Shahid and Rohit start from the same point in opposite directions. After each 1 km, Shahid always turns left and Rohit always turns right. Which of the following statements is correct ? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 13

B is the correct option.After each 1 km, Shahid always turns left and Rohit always turns right.Because both have started from the same point, they both have travelled 3 km.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 14


Q. In a 500 metres race, B starts 45 metres ahead of A, but A wins the race while B is still 35 metres behind. What is the ratio of the speeds of A to B assuming that both start at the same time? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 14

Total distance = 500m 
Distance covered by A= 500m 
Distance covered by B = 500 – 45 – 35 
= 500 – 80 
= 420
Speed of A/Speed of B=(distance A/time)/(distance B/time)
=(500/time) x (time/420)
=500/420
=25/21=25:21

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 15


Q. Two equal glasses of same type are respectively 1/3 and 1/4 full of milk. They are then filled up with water and the contents are mixed in a pot. What is the ratio of milk and water in the pot? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 15

A is the correct option.Let the capacity of each of the 2 glasses be x
Let’s name the glasses as A and B.

Consider for glass A

milk is 1/3 rd of total capacity, hence milk= x/3

water= x-x/3 = 2x/3

Consider for glass B

milk is 1/4 th of total capacity, hence milk= x/4

water= x-x/4 = 3x/4

Now if contents of two glasses are mixed in a pot then,

total milk in pot= x/3 +x/4 = 7x/12

total water in pot= 2x/3 +3x/4 = 17x/12

Ratio of milk to water in the pot = (7x/12)/( 17x/12) =7:17
 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 16

Q. Out of 130 students appearing in an examination, 62 failed in English, 52 failed in Mathematics, whereas 24 failed in both English and Mathematics. The number of students who passed finally is 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 16

A is the correct option.
Total students = 130 
Total students failed = (62 + 52) – 24 = 114 – 24 = 90 
Number of students passed finally = 130 – 90 = 40
 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 17

Q. In a group of persons travelling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group none can speak any other language. If 2 persons in the group can speak two languages only and one person can speak all the three languages, then how many persons are there in the group? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 17

People can speak tamil, hindi and gujrati.
Tamil speakers – persons who can speak is 6. 
Only Tamil speakers are 6–2–1 = 3
Hindi speakers - persons who can speak is 15. 
Only Hindi speakers are 15–2–112
Gujarati speakers – persons who can speak is 6. 
Only Gujarati speakers are  6–1=5
Thus the number of persons who can speak only one language is 3+12+5=20
Number of persons who can speak two languages = 2
Number of person who can speak all the languages = 1
Total number of persons = 23.
Hence, Option C is correct.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 18


Q. In a parking area, the total number of wheels of all the cars (four-wheelers) and scooters/motorbikes (two-wheelers) is 100 more than twice the number of parked vehicles. The number of cars parked is 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 18

The correct answer is C as Let number of two-wheelers = x

Let number of four-wheelers = y

Total number of wheels = 2x + 4y

2x + 4y = 2(x+y) + 100 = 2x + 2y + 100

y = 50
 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 19


Q. The mangroves can shed tons of leaves per acre every year; fungi and bacteria break down this leaf litter and consume it, they then are consumed by tiny worms and crustaceans, which in turn feed small fish, which feed larger fish and birds and crocodiles.

Which among the following is the most logical inference of the above statement? 

*Multiple options can be correct
UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 20


Q. "By liberty I mean the eager maintenance of that atmosphere in which men have the opportunity to be their best selves." 
 

Which one of the following expresses the view implied in the above statement? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 20

The correct option is D.
 It is clear from the question itself.
 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 21

Human history abounds m claims and theories confining the right of governing to a few select citizens. Exclusion of the many is justified on the ground that human beings may be rightfully segregated for the good of society and viability of the political process.


Q. Which one of the following statements is least essential as a part of the argument in the above passage?  

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 21

A is the correct option. The passage says that there are claims and theories confining the right of governing to a few select citizens.”Man seeks control over external things affecting him.“ can be the  least essential argument in favour of the above statement.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 22

By 2050, the Earth's population will likely have swelled from seven to nine billion people. To fill all those stomachs - while accounting for shifting consumption patterns, climate change, and a finite amount of arable land and potable water - some experts say food production will have to double. How can we make the numbers add up? Experts say higher yielding crop varieties and more efficient farming methods will be crucial. So will waste reduction. Experts urge cities to reclaim nutrients and water from waste streams and preserve farmland. Poor countries, they say, can improve crop storage and packaging and rich nations could cut back on resource-intensive foods like meat.


Q. Which one of the following statements best sums up the above passage?

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 22

The correct answer is D as d a is wrong as it states a fact mentioned in the passage. It does not sum up the passage. b is wrong as the passage does not restrict the problem to the developing countries only. c is wrong as the passage only says that the food production will have to double. It does not talk about food scarcity at all. Rather it talks about how to meet the required target. d correctly sums up the passage. Food security is increasingly a collective challenge and the passage suggests means to combat it.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 23

Many people in India feel that if we cut our defence expenditure on weapon-building, we can create a climate of peace with our neighbours, subsequently reducing the conflict or creating a no-war situation. People who proclaim such ideas are either the victims of war or the propagators of false argument.


Q. With reference to the above passage, which of the following is the most valid assumption? 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 23

B is the correct option.

  • A  is wrong as the passage says that if we can cut our defence expenses we can find peace or Building of weapons systems by us will instigated our neighbours to wage wars against us is a false propagation.

  • B is correct as the passage supports weapon building by India. It can also be inferred from the passage that India wants to establish peace with our neighbours. So weapon-building would lessen the possibility of armed conflict with our neighbours is the most valid assumption.

  • Although c is also an assumption but use of the words state of the art national security does not make it the most valid assumption. 

  • D  is an inference but not an assumption.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 24

India accounts for nearly a fifth of the world's child deaths. In terms of numbers, it is the highest in the world - nearly 16 lakhs every year. Of these, more than half die in the first month of life. Officials believe that the reason for this is the absence of steps to propagate basic health practices relating to breast feeding and immunisation. Also the large reproductive population of 2.6 crore remains bereft of care during the critical phases of pregnancy and post-delivery. Added to this is the prevalence of child marriages, anaemia among young women and lack of focus on adolescent sanitation, all of which impact child death rates. 


Q. Which is the critical inference that can be made from the above passage? 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 25

Foods travel more than the people who eat them. Grocery stores and supermarkets are loaded with preserved and processed foods. This, however, often leads to environmental threats, such as pollution generated by long distance food transportation and wastage of food during processing and transportation, destruction of rain forests, reduced nutritional content, increased demand for preservation and packaging. Food insecurity also increases as the produce comes from regions that are not feeding their own population properly.


Q. With reference to the above passage, which of the following statements is/are true?

1. Consuming regionally grown food and not depending on long travelled food is a part of eco-friendly behaviour.

 2. Food processing industry puts a burden on our natural resources. Select the correct answer using the code given below: 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 25

The correct option is B.
It is clear from the given paragraph.’ This, however, often leads to environmental threats, such as pollution generated by long distance food transportation and wastage of food during processing and transportation, destruction of rain forests, reduced nutritional content, increased demand for preservation and packaging.’

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 26

I must say that, beyond occasionally exposing me to laughter, my constitutional shyness has been of no disadvantage whatever. In fact I can see that, on the contrary, it has been all to my advantage. My hesitancy in speech, which was once an annoyance, is now a pleasure. Its greatest benefit has been that it has taught me the economy of words. I have naturally formed the habit of restraining my thoughts. And I can now give myself the certificate that a thoughtless word hardly ever escapes my tongue or pen. I do not recollect ever having had to regret anything in my speech or writing. I have thus been spared many a mishap and waste of time. Experience has taught me that silence is part of the spiritual discipline of a votary of truth. Proneness to exaggerate, to suppress or modify the truth, wittingly or unwittingly, is a natural weakness of man, and silence is necessary in order to surmount it. A man of few words will rarely be thoughtless in his speech; he will measure every word. We find so many people impatient to talk. There is no chairman of a meeting who is not pestered with notes for permission to speak. And whenever the permission is given the speaker generally exceeds the time-limit, asks for more time, and keeps on talking without permission. All this talking can hardly be said to be of any benefit to the world. It is so much waste of time. My shyness has been in reality my shield and buckler. It has allowed me to grow. It has helped me in my discernment of truth. 


Q.  The author says that a thoughtless word hardly ever escapes his tongue or pen. Which one of the following is not a valid reason for this? 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 27

I must say that, beyond occasionally exposing me to laughter, my constitutional shyness has been of no disadvantage whatever. In fact I can see that, on the contrary, it has been all to my advantage. My hesitancy in speech, which was once an annoyance, is now a pleasure. Its greatest benefit has been that it has taught me the economy of words. I have naturally formed the habit of restraining my thoughts. And I can now give myself the certificate that a thoughtless word hardly ever escapes my tongue or pen. I do not recollect ever having had to regret anything in my speech or writing. I have thus been spared many a mishap and waste of time. Experience has taught me that silence is part of the spiritual discipline of a votary of truth. Proneness to exaggerate, to suppress or modify the truth, wittingly or unwittingly, is a natural weakness of man, and silence is necessary in order to surmount it. A man of few words will rarely be thoughtless in his speech; he will measure every word. We find so many people impatient to talk. There is no chairman of a meeting who is not pestered with notes for permission to speak. And whenever the permission is given the speaker generally exceeds the time-limit, asks for more time, and keeps on talking without permission. All this talking can hardly be said to be of any benefit to the world. It is so much waste of time. My shyness has been in reality my shield and buckler. It has allowed me to grow. It has helped me in my discernment of truth. 


Q.  The most appropriate reason for the author to be spared many a mishap is that 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 28

I must say that, beyond occasionally exposing me to laughter, my constitutional shyness has been of no disadvantage whatever. In fact I can see that, on the contrary, it has been all to my advantage. My hesitancy in speech, which was once an annoyance, is now a pleasure. Its greatest benefit has been that it has taught me the economy of words. I have naturally formed the habit of restraining my thoughts. And I can now give myself the certificate that a thoughtless word hardly ever escapes my tongue or pen. I do not recollect ever having had to regret anything in my speech or writing. I have thus been spared many a mishap and waste of time. Experience has taught me that silence is part of the spiritual discipline of a votary of truth. Proneness to exaggerate, to suppress or modify the truth, wittingly or unwittingly, is a natural weakness of man, and silence is necessary in order to surmount it. A man of few words will rarely be thoughtless in his speech; he will measure every word. We find so many people impatient to talk. There is no chairman of a meeting who is not pestered with notes for permission to speak. And whenever the permission is given the speaker generally exceeds the time-limit, asks for more time, and keeps on talking without permission. All this talking can hardly be said to be of any benefit to the world. It is so much waste of time. My shyness has been in reality my shield and buckler. It has allowed me to grow. It has helped me in my discernment of truth. 


Q.   For the author, silence is necessary in order to surmount 

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 29

I must say that, beyond occasionally exposing me to laughter, my constitutional shyness has been of no disadvantage whatever. In fact I can see that, on the contrary, it has been all to my advantage. My hesitancy in speech, which was once an annoyance, is now a pleasure. Its greatest benefit has been that it has taught me the economy of words. I have naturally formed the habit of restraining my thoughts. And I can now give myself the certificate that a thoughtless word hardly ever escapes my tongue or pen. I do not recollect ever having had to regret anything in my speech or writing. I have thus been spared many a mishap and waste of time. Experience has taught me that silence is part of the spiritual discipline of a votary of truth. Proneness to exaggerate, to suppress or modify the truth, wittingly or unwittingly, is a natural weakness of man, and silence is necessary in order to surmount it. A man of few words will rarely be thoughtless in his speech; he will measure every word. We find so many people impatient to talk. There is no chairman of a meeting who is not pestered with notes for permission to speak. And whenever the permission is given the speaker generally exceeds the time-limit, asks for more time, and keeps on talking without permission. All this talking can hardly be said to be of any benefit to the world. It is so much waste of time. My shyness has been in reality my shield and buckler. It has allowed me to grow. It has helped me in my discernment of truth. 


Q.  Twelve people form a club. By picking lots, one of them will host a dinner for all once in a month. The number of dinners a particular member has to host in one year is 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 29

Let each questions carry 'x' marks.
According to the question ,
8x × (50/100) = 40
x = 40/4
= 10
No. of questions = 100/10 = 10.

UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 30

I must say that, beyond occasionally exposing me to laughter, my constitutional shyness has been of no disadvantage whatever. In fact I can see that, on the contrary, it has been all to my advantage. My hesitancy in speech, which was once an annoyance, is now a pleasure. Its greatest benefit has been that it has taught me the economy of words. I have naturally formed the habit of restraining my thoughts. And I can now give myself the certificate that a thoughtless word hardly ever escapes my tongue or pen. I do not recollect ever having had to regret anything in my speech or writing. I have thus been spared many a mishap and waste of time. Experience has taught me that silence is part of the spiritual discipline of a votary of truth. Proneness to exaggerate, to suppress or modify the truth, wittingly or unwittingly, is a natural weakness of man, and silence is necessary in order to surmount it. A man of few words will rarely be thoughtless in his speech; he will measure every word. We find so many people impatient to talk. There is no chairman of a meeting who is not pestered with notes for permission to speak. And whenever the permission is given the speaker generally exceeds the time-limit, asks for more time, and keeps on talking without permission. All this talking can hardly be said to be of any benefit to the world. It is so much waste of time. My shyness has been in reality my shield and buckler. It has allowed me to grow. It has helped me in my discernment of truth. 


Q.  30. An automobiles owner reduced his monthly petrol consumption when the prices went up. The priceconsumption relationship is as follows:

Price (in Rs. Per litre)                  40 50 60 75

Monthly consumption (in litres) 60 48 40 30

If the price goes up to Rs. 80 per litre, his expected consumption (in litres) will be 

Detailed Solution for UPSC Prelims Past Year Paper 2015: Paper 2 (CSAT) - Question 30

The correct answer is A asThe 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 80=2400/80
=30litre
 

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