UPSC CSAT : CSAT 2021 Question Paper and solution download | UPSC CSAT 2020 Question Paper and solution download

Thursday 7 October 2021

CSAT 2021 Question Paper and solution download | UPSC CSAT 2020 Question Paper and solution download

 31. A man walks down the backside of his house straight 25 meters, then turns to the right and walks 50 meters again; then he turns towards left and again walks 25 meters. If his house faces to the East, what is his direction from the starting point?

(a) South-East

(b) South-west

(c) North-East

(d) North-west

Answer:(d)

32. Two Statements are given followed by two Conclusions:

Statements:

All numbers are divisible by 2.

All numbers are divisible by 3.

Conclusion-I

All numbers are divisible by 6.

Conclusion-Il

All numbers are divisible by 4.

Which of the above Conclusions logically follows/follow from the two given Statements?

(a) Only Conclusion-I

(b) Only Conclusion-II

(c) Neither Conclusion-I nor conclusion-II

(d) Both Conclusions-I and Conclusion-II

Answer:(c)

33. Two Statements are given followed by two Conclusions:

Statements:

All cats are dogs.

All cats are black.

Conclusion-I:

All dogs are black.

Conclusion-II:

Some dogs are not black.

Which of the above Conclusions logically follows/follow from the two given Statements disregarding commonly known facts?

(a) Only Conclusion-I

(b) Only Conclusion-II

(c) Neither Conclusion-I nor Conclusion-II

(d) Both Conclusions-I and Conclusion-Il

Answer

:(c) 

  1. Consider the following sequence of numbers:

5 1 4 7 3 9 8 5 7 2 6 3 1 5

8 6 3 8 5 2 2 4 3 4 9 6

How many odd numbers are followed by the odd number in the above sequence?

(a) 5

(b) 6

(c) 7

(d) 8

Answer:(b)

35. A is 16th from the left end in a row or boys and V is 18th from the right end. Q is 11th from A towards the right and 3rd from V towards the right end. How many boys are there in the row?

(a) 40

(b) 41

(c) 42

(d) Cannot be determined due to insufficient data

Answer:(b)

36. Three Statements S1, S2 and S3 are given below followed by a Question:

S1: C is younger than D, but older than A and B.

S2: D is the oldest.

S3: A is older than B.

Question:

Who among A, B, C and D is the youngest?

Which one of the following is correct in respect of the above Statements and the Question?

(a) S1 alone is sufficient to answer the Question.

(b) S1 and S2 together are sufficient to answer the Question.

(c) S2 and S3 together are sufficient to answer the Question.

(d) S1 and S3 together are sufficient to answer the Question.

Answer:(d)

37. How many integers are there between 1 and 100 which have 4 as a digit but are not divisible by 4?

(a) 5

(b) 11

(c) 12

(d) 13

Answer:(c)

38. Let x, y be the volumes; m, n be the masses of two metallic cubes P and Q respectively. Each side of Q is two times that of P and mass of Q is two times that of P. Let u = m / x and V = n / y. which one or the following is correct?
(a) u = 4v

(b) u = 2v

(c) v = u

(d) v = 4u

Answer:(a) 

39. The average age of a teacher and three students is 20 years. If all the three students are of same age and the difference between the age of the teacher and each student is 20 years, then what is the age of the teacher?

(a) 25 years

(b) 30 years

(c) 35 years

(d) 45 years

Answer:(c)

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