UPSC CSAT : 2021 CSAT MODEL QUESTIONS

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Thursday, 7 January 2021

2021 CSAT MODEL QUESTIONS

The recurring decimal representation 1.272727... is equivalent to

(a) 13/11 (b) 14/11 (c) 127/99 (d) 137/99 

Answer: (b) 


What is the least four-digit number when divided by 3, 4, 5 and 6 leaves a remainder 2 in each case? 

(a) 1012 (b) 1022 (c) 1122 (d) 1222 

Answer: (b) 


In adult Population or a city, 40% men and 30% women are married. What is the percentage of married adult population if no man marries more than one woman and no woman marries more than one man; and there are no widows and widowers? 

(a) 33 1/7% (b) 34% (c) 34 2/7% (d) 35%

Answer: (c) 


What is the remainder when 51 x 27 x 35 x 62 x 75 is divided by 100?

(a) 50 (b) 25 (c) 5 (d) 1 

Answer: (a) 


A sum of Rs. 2,500 is distributed among X, Y and Z in the ratio 1/2 : 3/4 : 5/6 . What is the difference between the maximum share and the minimum share? 

(a) Rs. 300 (b) Rs. 350 (c) Rs. 400 (d) Rs. 450 

Answer: (c) 


For what value of it, the sum of digits in the number (10n + 1) is 2? 

(a) For n= 0 only 

(b) For any whole number n 

(c) For any positive integer n only 

(d) For any read number n 

Answer: (b) 


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