1
UPSC Civil Service Prelims Paper II 2022 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
There is a numeric lock which has a 3-digit PIN. The PIN contains digits 1 to 7. There is no repetition of digits. The digits in the PIN from left to right are in decreasing order. Any two digits in the PIN differ by at least 2. How many maximum attempts does one need to find out the PIN with certainty?
A
6
B
8
C
10
D
12
2
UPSC Civil Service Prelims Paper II 2022 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
There are eight equidistant points on a circle. How many right-angled triangles can be drawn using these points as vertices and taking the diameter as one side of the triangle?
A
24
B
16
C
12
D
8
3
UPSC Civil Service Prelims Paper II 2022 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
24 men and 12 women can do a piece of work in 30 days. In how many days can 12 men and 24 women do the same piece of work?
A
30 days
B
More than 30 days
C
Less than 30 days or more than 30 days
D
Data is inadequate to draw any conclusion
4
UPSC Civil Service Prelims Paper II 2022 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.83
Change Language
What is the remainder when 91 × 92 × 93 × 94 × 95 × 96 × 97 × 98 × 99 is divided by 1261?  
A
3
B
2
C
1
D
0
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