1
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833
Each digit of a 9-digit number is 1. It is multiplied by itself. What is the sum of the digits of the resulting number?
A
64
B
80
C
81
D
100
2
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833

Let pp, qq and rr be 2-digit numbers where p < q < r. If pp + qq + rr = tt0, where tt0 is a 3-digit number ending with zero, consider the following statements :

1. The number of possible values of p is 5.

2. The number of possible values of q is 6.

Which of the above statements is/are correct?

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
3
UPSC Civil Service Prelims Paper II 2023 (CSAT)
+2.5
-0.833

Question: Is (p + q - r) greater than (p - q + r), where p, q and r are integers ?

Statement-1: (p - q) is positive.

Statement-2: (p - r) is negative.

Which one of the following is correct in respect of the above Question and the Statements?

A
The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.
B
The Question can be answered by using either Statement alone.
C
The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.
D
The Question cannot be answered even by using both the Statements together.
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