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PYQ • 80 Questions

UPSC CSE 2018 CSAT — CSAT

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Questions in this paper

Consider the following three-dimensional figure: How many triangles does the above figure have?

A.18

B.20

C.22

D.24

Consider the following sum: • + 1• + 2• + •3 + •1 = 21• In the above sum, • stands for

A.4

B.5

C.6

D.8

Consider the following pattern of numbers: | 8 | 10 | 15 | 13 | | 6 | 5 | 7 | 4 | | 4 | 6 | 8 | 8 | | 6 | 11 | 16 | ? | What is the number at ? in the above pattern?

A.17

B.19

C.21

D.23

How many diagonals can be drawn by joining the vertices of an octagon?

A.20

B.24

C.28

D.64

The figure drawn below gives the velocity graphs of two vehicles A and B. The straight line OKP represents the velocity of vehicle A at any instant, whereas the horizontal straight line CKD represents the velocity of vehicle B at any instant. In the figure, D is the point where perpendicular from P meets the horizontal line CKD such that PD = 1/2 LD: What is the ratio between the distances covered by vehicles A and B in the time interval OL?

A.1:2

B.2:3

C.3:4

D.1:1

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

A.Prosperity of agriculture sector is of critical importance to India.

B.Indian economy greatly depends on its agriculture.

C.India should take strict measures to control its rapid population growth.

D.India's farming communities should switch over to other occupations to improve their economic conditions.

Which of the following is the most logical corollary to the above passage?

A.With more options for food come more risks.

B.Food processing is the source of all foodborne illnesses.

C.We should depend on locally produced food only.

D.Globalization of food production should be curtailed.

A train 200 metres long is moving at the rate of 40 kmph. In how many seconds will it cross a man standing near the railway line?

A.12

B.15

C.16

D.18

The author wants India to rid herself of certain past bonds because

A.he is not able to see the relevance of the past

B.there is not much to be proud of

C.he is not interested in the history of India

D.they obstruct her physical and spiritual growth

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?

A.11

B.15

C.19

D.23

What is the symbol on the face opposite to that containing two dots?

A.Single dot

B.Three dots

C.Four dots

D.Line

What was the approximate total value (in $) of sheet steel imported over the six months period?

A.45,555

B.50,555

C.55,550

D.65,750

What was the approximate ratio of sheet steel and scrap steel imports in the first three months of the year?

A.1:1

B.1.2:1

C.1.4:1

D.1.6:1

What is the symbol on the face opposite to that containing a single dot?

A.Four dots

B.Three dots

C.Two dots

D.Cross

What is the symbol on the face opposite to that containing the cross?

A.Single dot

B.Two dots

C.Line

D.Four dots

According to the passage, which of the following is/are of paramount importance under the Right to Education? 1. Sending of children to school by all parents 2. Provision of adequate physical infrastructure in schools 3. Curricular reforms for developing child-friendly learning system Select the correct answer using the code given below.

A.1 only

B.1 and 2 only

C.3 only

D.None of the above

With reference to the above passage, the following assumptions have been made: 1. The Right to Education guarantees teachers' accountability for the learning process of children. 2. The Right to Education guarantees 100% enrolment of children in the schools. 3. The Right to Education intends to take full advantage of demographic dividend. Which of the above assumptions is/are valid?

A.1 only

B.2 and 3 only

C.3 only

D.1, 2 and 3

According to the passage, which one of the following is critical in bringing quality in education?

A.Ensuring regular attendance of children as well as teachers in school

B.Giving pecuniary benefits to teachers to motivate them

C.Understanding the socio-cultural background of children

D.Inculcating learning through activities and discovery

If RAMON is written as 12345 and DINESH as 675849, then HAMAM will be written as

A.92233

B.92323

C.93322

D.93232

X and Y are natural numbers other than 1, and Y is greater than X. Which of the following represents the largest number?

A.XY

B.X/Y

C.Y/X

D.(X+Y)/XY

Who is/are F's immediate neighbour/neighbours?

A.A only

B.A and D

C.C only

D.B and C

What is the essential message in this passage?

A.The Right to Education now is a Fundamental Right.

B.The Right to Education enables the children of poor and weaker sections of the society to attend schools.

C.The Right to Free and Compulsory Education should include quality education for all.

D.The Government as well as parents should ensure that all children attend schools.

If LSJXVC is the code for MUMBAI, the code for DELHI is

A.CCIDD

B.CDKGH

C.CCJFG

D.CCIFE

If E sits in his office and faces the corridor, whose office is to his left?

A.A

B.B

C.C

D.D

If X is between -3 and -1, and Y is between -1 and 1, then X^2 - Y^2 is in between which of the following?

A.-9 and 1

B.-9 and -1

C.0 and 8

D.0 and 9

According to the passage, which of the following are the consequences of decline in forest cover? 1. Loss of topsoil 2. Loss of smaller rivers 3. Adverse effect on agricultural production 4. Declining of groundwater Select the correct answer using the code given below.

A.1, 2 and 3 only

B.2, 3 and 4 only

C.1 and 4 only

D.1, 2, 3 and 4

With reference to the above passage, the following assumptions have been made: 1. Diversification of livelihoods acts as a coping strategy for climate change. 2. Adoption of monocropping practice leads to the extinction of plant varieties and their wild relatives. Which of the above assumptions is/are valid?

A.1 only

B.2 only

C.Both 1 and 2

D.Neither 1 nor 2

With reference to 'desertification', as described in the passage, the following assumptions have been made: 1. Desertification is a phenomenon in tropical areas only. 2. Deforestation invariably leads to floods and desertification. Which of the above assumptions is/are valid?

A.1 only

B.2 only

C.Both 1 and 2

D.Neither 1 nor 2

With reference to the above passage, which of the following would assist us in coping with the climate change? 1. Conservation of natural water sources 2. Conservation of wider gene pool 3. Existing crop management practices 4. Migration corridors Select the correct answer using the code given below.

A.1, 2 and 3 only

B.1, 2 and 4 only

C.3 and 4 only

D.1, 2, 3 and 4

A number consists of three digits of which the middle one is zero and their sum is 4. If the number formed by interchanging the first and last digits is greater than the number itself by 198, then the difference between the first and last digits is

A.1

B.2

C.3

D.4

Which of the following is/are the correct inference/inferences that can be made from the passage? 1. Deforestation can cause changes in the course of rivers. 2. Salinization of land takes place due to human activities only. 3. Intense monoculture practice in plains is a major reason for desertification in Tropical Asia, Africa and South America. Select the correct answer using the code given below.

A.1 only

B.1 and 2 only

C.2 and 3 only

D.None of the above is a correct inference

Which of the following is the most crucial and logical inference that can be made from the above passage?

A.The Earth can meet only the basic needs of humans for food, clothing and shelter.

B.The only way to meet environmental challenge is to limit human population.

C.Reducing our consumerism is very much in our own interest.

D.Knowledge of biological systems can only help us save this planet.

The author of the passage holds the view that

A.leadership can be taught through war experience only

B.leadership can be acquired as well as taught

C.the results of training show that more people acquire leadership than are expected

D.despite rigorous instruction, very few leaders are produced

Two persons, A and B are running on a circular track. At the start, B is ahead of A and their positions make an angle of 30° at the centre of the circle. When A reaches the point diametrically opposite to his starting point, he meets B. What is the ratio of speeds of A and B, if they are running with uniform speeds?

A.6:5

B.4:3

C.6:1

D.4:2

A student has to get 40% marks to pass in an examination. Suppose he gets 30 marks and fails by 30 marks, then what are the maximum marks in the examination?

A.100

B.120

C.150

D.300

19 boys turn out for playing hockey. Of these, 11 are wearing hockey shirts and 14 are wearing hockey pants. There are no boys without shirts and/or pants. What is the number of boys wearing full uniform?

A.3

B.5

C.6

D.8

If Pen Cap, then which one of the following is always true?

A.Pen > Cap

B.Pen

C.Pencil = Cap

D.Pencil > Cap

Science college is located in

A.city Q

B.city S

C.city R

D.city P

A solid cube of 3 cm side, painted on all its faces, is cut up into small cubes of 1 cm side. How many of the small cubes will have exactly two painted faces?

A.12

B.8

C.6

D.4

While writing all the numbers from 700 to 1000, how many numbers occur in which the digit at hundred's place is greater than the digit at ten's place, and the digit at ten's place is greater than the digit at unit's place?

A.61

B.64

C.85

D.91

A bookseller sold 'a' number of Geography textbooks at the rate of $x per book, 'a+2' number of History textbooks at the rate of $(x+2) per book and 'a-2' number of Mathematics textbooks at the rate of $(x-2) per book. What is his total sale in $?

A.3x+3a

B.3ax+8

C.9ax

D.x^3a^3

A bag contains 15 red balls and 20 black balls. Each ball is numbered either 1 or 2 or 3. 20% of the red balls are numbered 1 and 40% of them are numbered 3. Similarly, among the black balls, 45% are numbered 2 and 30% are numbered 3. A boy picks a ball at random. He wins if the ball is red and numbered 3 or if it is black and numbered 1 or 2. What are the chances of his winning?

A.1/2

B.4/7

C.5/9

D.12/13

A is studying in

A.Rajasthan

B.Gujarat

C.city Q

D.Kerala

C is studying in

A.Science college

B.Rajasthan

C.Gujarat

D.city Q

Which one of the following statements is correct regarding Engineering college?

A.C is studying there.

B.B is studying there.

C.It is located in Gujarat.

D.D is studying there.

With reference to the above passage, the following assumptions have been made: 1. Climate change is not a challenge for developed countries. 2. Climate change is a complex policy issue and also a development issue for many countries. 3. Ways and means of finance must be found to enable developing countries to enhance their adaptive capacity. Which of the above assumptions is/are valid?

A.1 and 2 only

B.3 only

C.2 and 3 only

D.1, 2 and 3

Which of the following is the most logical, rational and crucial message given by the passage?

A.Preserving crop genetic diversity is an insurance against the effects of climate change.

B.Despite great risks, monoculture is the only way to ensure food security in the world.

C.More and more genetically modified crops only can save the world from impending shortages of food.

D.Asia and North America will be worst sufferers from climate change and the consequent shortage of food.

Which one of the following is the most important implication of the passage?

A.A happy world is a dream of science.

B.Science only can build a happy world, but it is also the only major threat.

C.A happy world is not possible without science.

D.A happy world is not at all possible with or without science.

A shopkeeper sells an article at ₹40 and gets X% profit. However, when he sells it at ₹20, he faces same percentage of loss. What is the original cost of the article?

A.10

B.20

C.30

D.40

Consider the sequence given below: 4/12/95, 1/1/96, 29/1/96, 26/2/96, .... What is the next term of the series?

A.24/3/96

B.25/3/96

C.26/3/96

D.27/3/96

With reference to the above passage, the following assumptions have been made: 1. India continues to be a developing country essentially due to its faulty education system. 2. Today's learners need to acquire new-age skill-sets. 3. A good number of Indians go to some developed countries for education because the educational systems there are a perfect reflection of the societies in which they function. Which of the above assumptions is/are valid?

A.1 and 3 only

B.2 only

C.2 and 3 only

D.1, 2 and 3

What is the crucial message conveyed by the above passage?

A.India should revise its PDS.

B.India should not be a member of WTO.

C.For India, food security collides with trade.

D.India provides food security to its poor.

What is the most logical and rational inference that can be made from the above passage?

A.Obesity has become an epidemic all over the world.

B.A lot of people are obsessed with attaining a perfect body.

C.Obesity is essentially an incurable disease.

D.There is no perfect diet or one solution for obesity.

There are 24 equally spaced points lying on the circumference of a circle. What is the maximum number of equilateral triangles that can be drawn by taking sets of three points as the vertices?

A.4

B.6

C.8

D.12

Twelve equal squares are placed to fit in a rectangle of diagonal 5 cm. There are three rows containing four squares each. No gaps are left between adjacent squares. What is the area of each square?

A.5/7 sq cm

B.7/5 sq cm

C.1 sq cm

D.25/12 sq cm

For a sports meet, a winners' stand comprising three wooden blocks is in the following form: [Image shows 3 stepped adjacent podium blocks labeled for 1st, 2nd, and 3rd place] There are six different colours available to choose from and each of the three wooden blocks is to be painted such that no two of them has the same colour. In how many different ways can the winners' stand be painted?

A.120

B.81

C.66

D.36

With reference to the above graph, consider the following statements considering 1970 as base year: 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. Birthrate has stabilized after 35 years. 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

Consider the following graph: [Graph shows % of work from 0% to 100% between 1st April and 1st Sept, plotting Expected progress vs Actual progress.] 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.

Average hourly earnings per year (E) of the workers in a firm are represented in figures A and B as follows: [Fig A scales E from 20 to 40 on y-axis, showing a linear graph from 2013 to 2017] [Fig B scales E from 0 to 40 on y-axis, showing the exact same numeric data values but plotted on an expanded baseline y-axis scale] 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

Looking at the graph, it can be inferred that from 1990 to 2010

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

Consider the figures given below: [Matrix of 3x3 figures containing geometric arcs with vertical strokes and terminal markers (dot, square, triangle arrow). Row 3 has a missing cell marked with '?'] To fit the question mark, the correct answer is

A.An upward arc with a terminal square and 3 strokes

B.A downward arc with a terminal square and 3 strokes

C.An upward arc with a terminal triangle arrow and 3 strokes

D.A downward arc with a terminal dot and 3 strokes

Consider the following figures: [A series of 6 panels showing a circle, triangle, and square shifting clockwise/counterclockwise positions along corners/edges] In the figures (I) to (VI) above, some parts are shown to change their positions in regular directions. Following the same sequence, which of the figures given below will appear at (VII) stage?

A.Figure with square at top left, triangle at bottom right

B.Figure with square at bottom left, circle at top right

C.Figure with circle at top left, square at bottom right

D.Figure with triangle at top left, circle at bottom right

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: [Graphs plot lines for age brackets

A.1 and 2 only

B.2 and 3 only

C.1 and 3 only

D.1, 2 and 3

Consider the following figures A and B: [Fig A: Cost of production (in ₹ lakhs) vs No. of pieces manufactured. At 0 pieces, cost=5; at 2000 pieces, cost=7] [Fig B: Selling price per piece (in ₹) vs No. of pieces sold. At 1000 pieces, price=400; at 2000 pieces, price=350; at 3000 pieces, price=300] 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

A lift has the capacity of 18 adults or 30 children. How many children can board the lift with 12 adults?

A.6

B.10

C.12

D.15

A person bought a refrigerator worth ₹22,800 with 12.5% interest compounded yearly. At the end of first year he paid ₹8,650 and at the end of second year ₹9,125. How much will he have to pay at the end of third year to clear the debt?

A.9,990

B.10,000

C.10,590

D.11,250

Lakshmi, her brother, her daughter and her son are badminton players. A game of doubles is about to begin: (i) Lakshmi's brother is directly across the net from her daughter. (ii) Her son is diagonally across the net from the worst player's sibling. (iii) The best player and the worst player are on the same side of the net. Who is the best player?

A.Her brother

B.Her daughter

C.Her son

D.Lakshmi

The graph given below indicates the changes in key policy rates made by the Central Bank several times in a year: [Graph tracks Repo Rate, CRR, and Reverse Repo Rate over 2010-2011, showing an upward trajectory for Repo and Reverse Repo while CRR remains horizontal] 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

With reference to the above table, the following assumptions have been made: 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

The following graph indicates the composition of our tax revenue for a period of two decades: [Graph tracks components: Excise, Customs, Corporate tax, Personal income tax, Service tax from 1990-91 to 2010-11] 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. 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

With reference to the above table, which of the following is/are the most logical and rational inference/inferences that can be made? 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

What is the most rational and crucial message given by the passage?

A.Mass production of meat through industrial farming is cheap and is suitable for providing protein nutrition to poor countries.

B.Meat-producing industry violates the laws against cruelty to animals.

C.Mass production of meat through industrial farming is undesirable and should be stopped immediately.

D.Environmental cost of meat production is unsustainable when it is produced through industrial farming.

Which of the following is the most rational and crucial message given by the passage?

A.The conflict between man and wildlife cannot be resolved, no matter what efforts we make.

B.Safe wildlife corridors between protected areas is an essential aspect of conservation efforts.

C.India needs to declare more protected areas and set up more tiger reserves.

D.India's National Parks and Tiger Reserves need to be professionally managed.

With reference to the above passage, the following assumptions have been made: 1. The strategy of conservation of wildlife by relocating them from one protected area to another is not often successful. 2. India does not have suitable legislation to save the tigers, and its conservation efforts have failed which forced the tigers to live outside protected areas. Which of the above assumptions is/are valid?

A.1 only

B.2 only

C.Both 1 and 2

D.Neither 1 nor 2

If x - y = 8, then which of the following must be true? 1. Both x and y must be positive for any value of x and y. 2. If x is positive, y must be negative for any value of x and y. 3. If x is negative, y must be positive for any value of x and y. 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 nor 3

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

A.It is the faith and not science that can finally solve all the problems of mankind.

B.Science and faith can be mutually complementary if their proper domains are understood.

C.There are some very fundamental questions which cannot be answered by either science or faith.

D.In today's culture, scientific views are given more importance than spiritual views.

Which one of the following statements is correct?

A.D is not studying in city S.

B.A is studying in Science college.

C.A is studying in Kerala.

D.Engineering college is located in Gujarat.

Which one of the following statements is correct?

A.Engineering college is located in Assam.

B.City Q is situated in Assam.

C.C is studying in Kerala.

D.B is studying in Gujarat.

Which of the following is the most crucial and logical inference that can be made from the above passage?

A.Rural people are giving up the use of polluting solid fuels due to their increasing awareness of health hazards.

B.Subsidizing the use of clean cooking fuels will solve the problem of India's indoor air pollution.

C.India should increase its import of natural gas and produce more electricity.

D.Access to cooking gas can reduce premature deaths in poor households.

Which one of the following is the most important implication of the passage?

A.India can have territorial claims in the Arctic territory and free access to its resources.

B.Melting of summer ice in the Arctic leads to changes in the geopolitics.

C.The Arctic region will solve the world's future problem of resource crunch.

D.The Arctic region has more resources than Antarctica.