UPSC CSAT : CSAT APTITUDE MODEL QUESTIONS 2021

Sunday 3 January 2021

CSAT APTITUDE MODEL QUESTIONS 2021

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) 


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) 


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) 


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

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)

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