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PYQ • 80 Questions
UPSC CSE 2023 CSAT — CSAT
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1
Which one of the following statements best reflects the most logical and rational message conveyed by the author of the passage?
A.Adaptation to climate change and mitigation response are basically the responsibilities of the government.
B.Climate change causes a change in government policies regarding land use patterns in the country.
C.Risk perceptions of farmers are important for motivating them for taking adaptation decisions.
D.Since mitigation is not possible, governments should come up with policies for quick response to climate change.
2
If ABC and DEF are both 3-digit numbers such that A, B, C, D, E and F are distinct non-zero digits such that $ABC+DEF=1111$, then what is the value of $A+B+C+D+E+F$?
A.28
B.29
C.30
D.31
3
A 3-digit number ABC, on multiplication with D gives 37DD where A, B, C and D are different non-zero digits. What is the value of $A+B+C$?
A.18
B.16
C.15
D.Cannot be determined due to insufficient data
4
Which of the following statements best reflects the logical inference from the passage given above?
A.It is an important agenda of the countries around the world to ensure access to good external financing.
B.Good corporate governance improves the credibility of the firms.
C.International capital markets ensure that the firms maintain good corporate governance.
D.Good corporate governance paves the way for robust supply chains.
5
If p, q, r and s are distinct single digit positive numbers, then what is the greatest value of $(p+q)(r+s)$?
A.230
B.225
C.224
D.221
6
A number N is formed by writing 9 for 99 times. What is the remainder if N is divided by 13?
A.11
B.9
C.7
D.1
7
What is the sum of all digits which appear in all the integers from 10 to 100?
A.855
B.856
C.910
D.911
8
Based on the above passage, the following assumptions have been made: 1. Collection, processing and segregation of municipal waste should be with government agencies. 2. Resource recovery and recycling require technological inputs that can be best handled by private sector enterprises. Which of the assumptions given above is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
9
A box contains 14 black balls, 20 blue balls, 26 green balls, 28 yellow balls, 38 red balls and 54 white balls. Consider the following statements: 1. The smallest number n such that any n balls drawn from the box randomly must contain one full group of at least one colour is 175. 2. The smallest number m such that any m balls drawn from the box randomly must contain at least one ball of each colour is 167. Which of the statements given above is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
10
Which one of the following statements best reflects the most logical, rational and crucial message implied by the passage?
A.An enhanced efficiency of use of nitrogen is imperative for both food production and environment.
B.Production of synthetic nitrogen fertilizers cannot be stopped as it will adversely affect global food security.
C.Alternatives to crops that require excess of nitrogen should be identified and cultivated.
D.Conventional agriculture using synthetic fertilizers should be replaced with agroforestry, agroecosystems and organic farming.
11
A principal P becomes Q in 1 year when compounded half-yearly with R% annual rate of interest. If the same principal P becomes Q in 1 year when compounded annually with S% annual rate of interest, then which one of the following is correct?
A.R = S
B.R > S
C.R
D.R ≤ S
12
How many natural numbers are there which give a remainder of 31 when 1186 is divided by these natural numbers?
A.6
B.7
C.8
D.9
13
What is the number of selections of 10 consecutive things out of 12 things in a circle taken in the clockwise direction?
A.3
B.11
C.12
D.66
14
If today is Sunday, then which day is it exactly on $10^{10}$ th day?
A.Wednesday
B.Thursday
C.Friday
D.Saturday
15
Which one of the following statements best reflects the most rational, practical and immediate action required to ensure fair and equitable allocation of water to different stakeholders?
A.A national, pragmatic, legal and policy framework for water allocation should be made.
B.All river systems of the country should be linked and huge aquifers created.
C.Water channels between regions of water surplus and regions of water deficit should be created.
D.To mitigate water crisis, water demand of sectors such as agriculture and industry should be reduced.
16
What is the remainder when $85\times87\times89\times91\times95\times96$ is divided by 100?
A.0
B.1
C.2
D.4
17
What is the unit digit in the expansion of $(57242)^{9\times7\times5\times3\times1}$?
A.2
B.4
C.6
D.8
18
Consider the following in respect of prime number p and composite number c. 1. $\frac{p+c}{p-c}$ can be even. 2. $2p+c$ can be odd. 3. $pc$ can be odd. Which of the statements given above are correct?
A.1 and 2 only
B.2 and 3 only
C.1 and 3 only
D.1, 2 and 3
19
125 identical cubes are arranged in the form of cubical block. How many cubes are surrounded by other cubes from each side?
A.27
B.25
C.21
D.18
20
How many distinct 8-digit numbers can be formed by rearranging the digits of the number 11223344 such that odd digits occupy odd positions and even digits occupy even positions?
A.12
B.18
C.36
D.72
21
Let x be a positive integer such that $7x+96$ is divisible by x. How many values of x are possible?
A.10
B.11
C.12
D.Infinitely many
22
Based on the above passage, the following assumptions have been made: 1. To implement the Sustainable Development Goals and to achieve zero-hunger goal, monoculture agriculture practices are inevitable even if they do not address malnutrition. 2. Dependence on a few crops has negative consequences for human health and the ecosystem. 3. Government policies regarding food planning need to incorporate nutritional security. 4. For the present monoculture agriculture practices, farmers receive subsidies in various ways and government offers remunerative prices for grains and therefore they do not tend to consider crop diversity. Which of the above assumptions are valid?
A.1, 2 and 4 only
B.2 and 3 only
C.3 and 4 only
D.1, 2, 3 and 4
23
If 'ZERO' is written as 'CHUR', then how is 'PLAYER' written?
A.SOCAGT
B.SODBGT
C.SODBHT
D.SODBHU
24
Consider the following including the Question and the Statements: There are 5 members A, B, C, D, E in a family. Question: What is the relation of E to B Statement-1: A and B are a married couple Statement-2: D is the father of C Statement-3: E is D's son Statement-4: A and C are sisters. Which one of the following is correct in respect of the above Question and Statements?
A.Statement-1, Statement-2 and Statement-3 are sufficient to answer the Question.
B.Statement-1, Statement-3 and Statement-4 are sufficient to answer the Question.
C.All four statements together are sufficient to answer the Question.
D.All four statements are not sufficient to answer the Question.
25
There are three traffic signals. Each signal changes colour from green to red and then from red to green. The first signal takes 25 seconds, the second signal takes 39 seconds and the third signal takes 60 seconds to change the colour from green to red. The durations for green and red colours are same. At 2:00 p.m, they together turn green. At what time will they change to green next, simultaneously?
A.4:00 p.m.
B.4:10 p.m.
C.4:20 p.m.
D.4:30 p.m.
26
Which one of the following statements best reflects what is implied by the passage?
A.Education system must be strengthened in rural areas.
B.Large scale and effective implementation of skill development programme is the need of the hour.
C.For economic development, health and nutrition of only skilled workers needs special attention.
D.For rapid economic growth as envisaged by us, attention should be paid to health and nutrition of the people.
27
D is a 3-digit number such that the ratio of the number to the sum of its digits is least. What is the difference between the digit at the hundred's place and the digit at the unit's place of D?
A.0
B.7
C.8
D.9
28
Which one of the following statements best reflects the crucial message conveyed by the author of the passage?
A.Businesses that cause emissions may need to close down or pay for pollution in future.
B.The only solution is technological development related to the issues of climate change.
C.Waiting to deal with carbon emissions until technology improves is not a wise strategy.
D.Since future technological change is uncertain, new industries should be based on renewable energy sources.
29
Which one of the following statements best implies the most rational assumption that can be made from the passage?
A.We are likely to spend more money on cure than prevention.
B.It is the job of the government to solve our environmental and public health problems.
C.Health can be protected even if environmental problems go on unattended.
D.Loss of traditional lifestyle and the influence of western values led to some unhealthy ways of living.
30
Which one of the following statements best reflects the crux of the passage?
A.The scheme of Universal Basic Income should be implemented worldwide as a way of poverty alleviation.
B.We must place food-based nutrition at the centre of our policy debate.
C.Nutritional status of food should be improved by creating appropriate genetically modified crops.
D.Using modern food processing technologies, we must fortify food items with required nutrient elements.
31
For any choices of values of X, Y and Z, the 6-digit number of the form XYZXYZ is divisible by:
A.7 and 11 only
B.11 and 13 only
C.7 and 13 only
D.7, 11 and 13
32
A, B, C working independently can do a piece of work in 8, 16 and 12 days respectively. A alone works on Monday, B alone works on Tuesday, C alone works on Wednesday; A alone, again works on Thursday and so on. Consider the following statements: 1. The work will be finished on Thursday. 2. The work will be finished in 10 days. Which of the above statements is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
33
Which one of the following statements best reflects the most logical and rational implication conveyed by the passage?
A.Arbitrary curbs on vehicles to reduce pollution are difficult to implement.
B.Knee-jerk reactions cannot solve the problem of pollution but an evidence-based approach will be more effective.
C.A heavy penalty should be enforced on those driving without periodic pollution tests.
D.In the absence of laws to deal with the problems of pollution, the administration tends to make arbitrary decisions.
34
If 7 9 10 = 8, 9 11 30 = 5, 11 17 21 = 13, what is the value of 23 4 15?
A.6
B.8
C.13
D.15
35
ABCD is a square. One point on each of AB and CD; and two distinct points on each of BC and DA are chosen. How many distinct triangles can be drawn using any three points as vertices out of these six points?
A.16
B.18
C.20
D.24
36
Based on the above passage, the following assumptions have been made: 1. Organic farming is inherently unsafe for both farmers and consumers. 2. Farmers and consumers need to be educated about eco-friendly food. Which of the assumptions given above is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
37
Which one of the following statements best reflects the most logical, rational and practical message conveyed by the author of the passage?
A.In India, organic farming should not be promoted as a substitute for conventional farming.
B.There are no safe organic alternatives to chemical fertilizers.
C.In India, farmers need to be guided and helped to make their organic farming sustainable.
D.The aim of organic farming should not be to generate huge profits as there is still no global market for its products.
38
Consider the following statements: 1. A is older than B. 2. C and D are of the same age. 3. E is the youngest. 4. F is younger than D. 5. F is older than A. How many statements given above are required to determine the oldest person/persons?
A.Only two
B.Only three
C.Only four
D.All five
39
Choose the group which is different from the others:
A.17, 37, 47, 97
B.31, 41, 53, 67
C.71, 73, 79, 83
D.83, 89, 91, 97
40
With reference to the above passage, the following assumptions have been made: 1. Global warming is causing spring to come early and for longer durations. 2. Early spring and longer period of spring is not good for bird populations. Which of the above assumptions is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
41
Which one of the following statements best reflects the most logical, rational and crucial message conveyed by the passage?
A.Climate justice should be ingrained in detail in the rules of all the new climate compacts/agreements.
B.Environmental resources are unevenly distributed and exploited across the globe.
C.There is an impending issue of dealing with a huge number of climate change victims/climate refugees.
D.Climate change in all its connotations is mostly due to developed countries and therefore their share of burden should be more.
42
What is the sum of all 4-digit numbers less than 2000 formed by the digits 1, 2, 3 and 4, where none of the digits is repeated?
A.7998
B.8028
C.8878
D.9238
43
40 children are standing in a circle and one of them (say child-1) has a ring. The ring is passed clockwise. Child-1 passes on to child-2, child-2 passes on to child-4, child-4 passes on to child-7 and so on. After how many such changes (including child-1) will the ring be in the hands of child-1 again?
A.14
B.15
C.16
D.17
44
Question: Is (p + q - r) greater than (p - q + r), where p, q and r are integers Statement-1: (p - q) is positive Statement-2: (p - r) is negative. Which one of the following is correct in respect of the above Question and the Statements?
A.The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B.The Question can be answered by using either Statement alone.
C.The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D.The Question cannot be answered even by using both the Statements together.
45
Raj has ten pairs of red, nine pairs of white and eight pairs of black shoes in a box. If he randomly picks shoes one by one (without replacement) from the box to get a red pair of shoes to wear, what is the maximum number of attempts he has to make?
A.27
B.36
C.44
D.45
46
In how many ways can a batsman score exactly 25 runs by scoring single runs, fours and sixes only, irrespective of the sequence of scoring shots?
A.18
B.19
C.20
D.21
47
There are four letters and four envelopes and exactly one letter is to be put in exactly one envelope with the correct address. If the letters are randomly inserted into the envelopes, then consider the following statements: 1. It is possible that exactly one letter goes into an incorrect envelope. 2. There are only six ways in which only two letters can go into the correct envelopes. Which of the statements given above is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
48
Three of the five positive integers p, q, r, s, t are even and two of them are odd (not necessarily in order). Consider the following: 1. $p+q+r-s-t$ is definitely even. 2. $2p+q+2r-2s+t$ is definitely odd. Which of the above statements is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
49
Which one of the following statements best reflects the most logical and rational inference that can be drawn from the passage?
A.The home range of elephants needs to be a vast area of rich biodiversity.
B.Elephants are the keystone species and they benefit the biodiversity.
C.Rich biodiversity cannot be maintained in the forests without the presence of elephants.
D.Elephants are capable of regenerating forests with species as per their requirement.
50
Each digit of a 9-digit number is 1. It is multiplied by itself. What is the sum of the digits of the resulting number?
A.64
B.80
C.81
D.100
51
Let pp, qq and rr be 2-digit numbers where $p
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
52
Which one of the following statements best reflects the most logical and practical message conveyed by the passage?
A.It is necessary to put proper effluent treatment protocols in place.
B.It is necessary to promote environmental awareness among people.
C.Spread of drug-resistant bacteria cannot be done away with, as it is inherent in modern medical care.
D.Pharma-manufacturing companies should be set up in remote rural areas, away from crowded towns and cities.
53
What is the middle term of the sequence Z, Z, Y, Y, Y, X, X, X, X, W, W, W, W, W, ..., A?
A.H
B.I
C.J
D.M
54
Question: Is p greater than q Statement-1: p * q is greater than zero Statement-2: p^2 is greater than q^2. Which one of the following is correct in respect of the above Question and the Statements?
A.The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B.The Question can be answered by using either Statement alone.
C.The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D.The Question cannot be answered even by using both the Statements together.
55
In a party, 75 persons took tea, 60 persons took coffee and 15 persons took both tea and coffee. No one taking milk takes tea. Each person takes at least one drink. Question: How many persons attended the party Statement-1: 50 persons took milk Statement-2: Number of persons who attended the party is five times the number of persons who took milk only. Which one of the following is correct in respect of the above Question and the Statements?
A.The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B.The Question can be answered by using either Statement alone.
C.The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D.The Question cannot be answered even by using both the Statements together.
56
Based on the above passage, the following assumptions have been made: 1. Patent protection given to patentees puts a huge burden on public's purchasing power in accessing patented medicines. 2. Dependence on other countries for pharmaceutical products is a huge burden for developing and poor countries. 3. Providing medicines to the public at affordable prices is a key goal during the public health policy design in many countries. 4. Governments need to find an appropriate balance between the rights of patentees and the requirements of the patients. Which of the above assumptions are valid?
A.1 and 2
B.1 and 4
C.3 and 4
D.2 and 3
57
Based on the above passage, the following assumptions have been made: 1. Protection of privacy is not just a right, but it has value to the economy. 2. There is a fundamental link between privacy and innovation. Which of the above assumptions is/are valid?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
58
A rectangular floor measures 4 m in length and 2.2 m in breadth. Tiles of size 140 cm by 60 cm have to be laid such that the tiles do not overlap. A tile can be placed in any orientation so long as its edges are parallel to the edges of the floor. What is the maximum number of tiles that can be accommodated on the floor?
A.6
B.7
C.8
D.9
59
There are five persons P, Q, R, S and T each one of whom has to be assigned one task. Neither P nor Q can be assigned Task-1. Task-2 must be assigned to either R or S. In how many ways can the assignment be done?
A.6
B.12
C.18
D.24
60
There are large number of silver coins weighing 2 gm, 5 gm, 10 gm, 25 gm, 50 gm each. Consider the following statements: 1. To buy 78 gm of coins one must buy at least 7 coins. 2. To weigh 78 gm using these coins one can use less than 7 coins. Which of the statements given above is/are correct?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
61
Consider the following: I. A + B means A is neither smaller nor equal to B. II. A - B means A is not greater than B. III. A * B means A is not smaller than B. IV. A / B means A is neither greater nor equal to B. V. A ± B means A is neither smaller nor greater than B. Statement: P * Q, P - T, T / R, R ± S Conclusion-1: Q ± T Conclusion-2: S + Q Which one of the following is correct in respect of the above Statement and the Conclusions?
A.Only Conclusion-1 follows from the Statement.
B.Only Conclusion-2 follows from the Statement.
C.Both Conclusion-1 and Conclusion-2 follow from the Statement.
D.Neither Conclusion-1 nor Conclusion-2 follows from the Statement.
62
Consider a 3-digit number. Question: What is the number Statement-1: The sum of the digits of the number is equal to the product of the digits Statement-2: The number is divisible by the sum of the digits of the number. Which one of the following is correct in respect of the above Question and the Statements?
A.The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B.The Question can be answered by using either Statement alone.
C.The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D.The Question cannot be answered even by using both the Statements together.
63
Which one of the following statements best reflects the most logical message implied by the above passage?
A.Modern technology enfeebles societal structure and makes life difficult.
B.Modern life is full of uncertainties and endless difficult choices.
C.We are influenced by the opinion of others and have no courage to follow our own convictions.
D.In our lives, having too few choices may not be a good thing, but having too many can be equally as difficult.
64
In an examination, the maximum marks for each of the four papers namely P, Q, R and S are 100. Marks scored by the students are in integers. A student can score 99% in n different ways. What is the value of n?
A.16
B.17
C.23
D.35
65
A flag has to be designed with 4 horizontal stripes using some or all of the colours red, green and yellow. What is the number of different ways in which this can be done so that no two adjacent stripes have the same colour?
A.12
B.18
C.24
D.36
66
Which one of the following statements best reflects the most rational, logical and practical message conveyed by the passage?
A.Modern statesmen need to be well trained in scientific methods and philosophical thinking to enable them to have a better perspective of their roles, responsibilities and goals.
B.It is not desirable to have Governments managed by empirical statesmen unless mixed with others who are grounded in learning and reflect wisdom.
C.As the statesmen/bureaucrats are the products of a society, it is desirable to have a system of education in a society that focuses on training its citizens in scientific method and philosophical thinking from a very early age.
D.It is desirable that all scientists need to be philosophers as well to make their work goal-oriented and thus purposeful and useful to the society.
67
Consider the following statements in respect of five candidates P, Q, R, S and T. Two statements are true and one statement is false. True Statement: One of P and Q was selected for the job. False Statement: At least one of R and S was selected for the job. True Statement: At most two of R, S and T were selected for the job. Which of the following conclusions can be drawn?
A.1 only
B.2 only
C.Both 1 and 2
D.Neither 1 nor 2
68
Let P, Q, R, S and T be five statements such that: I. If P is true, then both Q and S are true. II. If R and S are true, then T is false. Which of the following can be concluded? 1. If T is true, then at least one of P and R must be false. 2. If Q is true, then P is true. 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
69
For five children with ages a
A.The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B.The Question can be answered by using either Statement alone.
C.The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D.The Question cannot be answered even by using both the Statements together.
70
What is the remainder if 2^192 is divided by 6?
A.0
B.1
C.2
D.4
71
Consider the sequence ABCABC_DABBCD_ABCD that follows a certain pattern. Which one of the following completes the sequence?
A.DACB
B.CDAB
C.DCCA
D.DDCA
72
Regarding the financialization of household savings, which of the following statements best reflect the solutions that are implied by the passage? 1. A flexible environment is needed to develop solutions. 2. Households need customised solutions. 3. Innovations in financial technology are required. 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
73
Which one of the following statements most likely reflects as to what the author of the passage intends to say?
A.Enrolment in schools and colleges is high but there is no quality education.
B.Unemployment must be seen as a function of rising education and aspirations of young Indians.
C.There are no labour-intensive industries to accommodate the huge number of unemployed people.
D.The education system should be properly designed so as to enable the educated people to be self-employed.
74
Based on the above passage, which one of the following terms best expresses the ultimate goal of the state?
A.Personal safety
B.Health of body and mind
C.Communal harmony
D.Liberty
75
AB and CD are 2-digit numbers. Multiplying AB with CD results in a 3-digit number DEF. Adding DEF to another 3-digit number GHI results in 975. Further A, B, C, D, E, F, G, H, I are distinct digits. If E = 0, F = 8, then what is A + B + C equal to?
A.6
B.7
C.8
D.9
76
A cuboid of dimensions 7 cm * 5 cm * 3 cm is painted red, green and blue colour on each pair of opposite faces of dimensions 7 cm * 5 cm, 5 cm * 3 cm, 7 cm * 3 cm respectively. Then the cuboid is cut and separated into various cubes each of side length 1 cm. Which of the following statements is/are correct? 1. There are exactly 15 small cubes with no paint on any face. 2. There are exactly 6 small cubes with exactly two faces, one painted with blue and the other with green. 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
77
The letters of the word "INCOMPREHENSIBILITIES" are arranged alphabetically in reverse order. How many positions of the letter/letters will remain unchanged?
A.None
B.One
C.Two
D.Three
78
Which one of the following statements best reflects the crux of the passage?
A.Generation of energy from municipal solid waste is inexpensive.
B.Biomethanation is the most ideal way of generating energy from municipal solid waste.
C.Segregation of municipal solid waste is the first step in ensuring the success of waste-to-energy plants.
D.The biodegradable component of India's municipal solid waste is not adequate to provide energy from waste efficiently/effectively.
79
Which one of the following statements best reflects the most logical and rational message conveyed by the author of the passage?
A.Food yielding trees should replace other trees in rural and tribal areas and community owned lands.
B.Food security cannot be ensured in India with the present practice of conventional agriculture.
C.Wastelands and degraded areas in India should be converted into agroforestry systems to help the poor.
D.Agroecosystems should be developed in addition to or along with conventional agriculture.
80
Which one of the following statements best reflects the crux of the passage?
A.To become a global power, India needs to invest in universal quality education.
B.India is unable to become a global power because it is not focussing or promoting knowledge economy.
C.Our education system should focus more on imparting skills during higher education.
D.Parents of many school children are illiterate and are unaware of the benefits of quality education.