1
UPSC Civil Service Prelims Paper II 2023 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
What is the unit digit in the expansion of (57242)9×7×5×3×1?
A
2
B
4
C
6
D
8
2
UPSC Civil Service Prelims Paper II 2023 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
D is a 3-digit number such that the ratio of the number to the sum of its digits is least. What is the difference between the digit at the hundred's place and the digit at the unit's place of D?
A
0
B
7
C
8
D
9
3
UPSC Civil Service Prelims Paper II 2023 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
A 3-digit number ABC, on multiplication with D gives 37DD where A, B, C and D are different non-zero digits. What is the value of A + B + C?
A
18
B
16
C
15
D
Cannot be determined due to insufficient data
4
UPSC Civil Service Prelims Paper II 2023 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language
What is the sum of all digits which appear in all the integers from 10 to 100?
A
855
B
856
C
910
D
911
UPSC Civil Service Subjects
Comprehension
Data Interpretation and Sufficiency
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