Mock Test

Exam: UPSC Civil Services Prelims Subject: General Studies Paper-II (CSAT) Topic: Basic numeracy

Total Questions: 20

Q1. What has a head, a tail, is brown, and has no legs?

Coin Snake Table Ball
Q2. If the ratio of boys to girls in a class is 2:3 and there are 30 girls in the class, how many boys are there?

10 15 20 25
Q3. What is the standard form of a quadratic equation?

y = ax^2 + bx + c y = mx + c y = a^2 + b^2 y = x^3 + x^2 + x
Q4. What is the role of decision-making in problem-solving?

To avoid making choices To complicate the process To select the best option To ignore possible solutions
Q5. What is the purpose of data interpretation?

A. To confuse people B. To make data meaningful C. To hide data D. To delete data
Q6. If A = {1, 2, 3} and B = {3, 4, 5}, what is the Cartesian product of sets A and B?

{(1, 3), (1, 4), (1, 5), (2, 3), (2, 4), (2, 5), (3, 3), (3, 4), (3, 5)} {(1, 3), (2, 4), (3, 5)} {(1, 3), (3, 4), (4, 5)} {(1, 3), (2, 3), (3, 4), (3, 5)}
Q7. Which of the following is not a type of decision-making?

Intuitive Rational Emotional Physical
Q8. If West becomes North, North becomes East, and so on, what will South become?

North North-East East South-East
Q9. A mixture of milk and water contains milk and water in the ratio 5:2. If 6 liters of water is added to the mixture, the ratio becomes 5:3. Find the quantity of milk in the mixture.

10 liters 12 liters 14 liters 16 liters
Q10. What is the cardinality of the empty set?

0 1 2 ∞
Q11. Which method can be used to solve a quadratic equation if the roots are not easily factorizable?

Completing the square Guessing and checking Graphing Substitution
Q12. What is the main goal of data interpretation in decision-making?

A. To complicate decisions B. To provide accurate insights C. To delay decisions D. To ignore data
Q13. What is the solution to the equation 6c + 2 = 20?

2 3 4 5
Q14. What is the solution of the equation 2x + 3 = 9?

x = 3 x = 4 x = 2 x = 5
Q15. In a class of 50 students, 30 students play cricket, 25 students play football, and 15 students play both cricket and football. How many students play only football?

5 10 15 20
Q16. What has a face and two hands but no arms or legs?

Clock Mirror Watch Compass
Q17. What is the result of 50 - 20 + 10?

30 40 10 60
Q18. Statement: Education is the key to success. Argument: People who are educated have better opportunities in life.

True False Cannot say Both are correct
Q19. If the first term of a geometric progression is 2 and the common ratio is 3, what is the second term?

2 3 6 9
Q20. Which statistical term represents the square root of the variance?

Range Mean Deviation Standard Deviation Interquartile Range

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