1
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833
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
2
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833
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
3
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833
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
4
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833
A principal P becomes Q in 1 year when compounded half-yearly with R% annual rate of interest. If the same principal P becomes Q in 1 year when compounded annually with S% annual rate of interest, then which one of the following is correct?
A
R = S
B
R > S
C
R < S
D
R ≤ S
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