UPSC Civil Service Prelims Paper II 2024 (CSAT) | Elementary Algebra Question 9 | Basic Numeracy

UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

Let $p$ and $q$ be positive integers satisfying $p < q$ and $p + q = k$. What is the smallest value of $k$ that does not determine $p$ and $q$ uniquely?

UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

A Question is given followed by two Statements I and II. Consider the Question and the Statements.

Question:

Is $(x + y)$ an integer?

Statement-I:

$ (2x + y) $ is an integer.

Statement-II:

$ (x + 2y) $ is an integer.

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

The Question can be answered by using one of the Statements alone, but cannot be answered using the other Statement alone.

The Question can be answered by using either Statement alone.

The Question can be answered by using both the Statements together, but cannot be answered using either Statement alone.

The Question cannot be answered even by using both the Statements together.

UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

In some code, letters P, Q, R, S, T represent numbers 4, 5, 10, 12, 15. It is not known which letter represents which number. If Q - S = 2S and T = R + S + 3, then what is the value of P + R - T?

Cannot be determined due to insufficient data

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

If ABC and DEF are both 3-digit numbers such that A, B, C, D, E and F are distinct non-zero digits such that ABC + DEF = 1111, then what is the value of A + B + C + D + E + F ?