UPSC Civil Service Prelims Paper II 2023 (CSAT) | Elementary Algebra Question 12 | Basic Numeracy

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?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+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?

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 2022 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.83

A has some coins. He gives half of the coins and 2 more to B. B gives half of the coins and 2 more to C. C gives half of the coins and 2 more to D. The number of coins D has now, is the smallest two-digit number. How many coins does A have in the beginning?

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Questions Asked from Marks 2.5

UPSC Civil Service Prelims Paper II 2024 (CSAT) (8) UPSC Civil Service Prelims Paper II 2023 (CSAT) (6) UPSC Civil Service Prelims Paper II 2022 (CSAT) (3) UPSC Civil Service Prelims Paper II 2021 (CSAT) (4)

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Data Interpretation and Sufficiency