UPSC Civil Service Prelims Paper II 2023 (CSAT) | Basic Arithmetic Question 15 | Basic Numeracy

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UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

What is the sum of all digits which appear in all the integers from 10 to 100?

855

856

910

911

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+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?

R = S

R > S

R < S

R ≤ S

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

Consider a 3-digit number.

Question: What is the number?

Statement-1: The sum of the digits of the number is equal to the product of the digits.

Statement-2: The number is divisible by the sum of the digits of the number.

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 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

There are large number of silver coins weighing 2 gm, 5 gm, 10 gm, 25 gm, 50 gm each. Consider the following statements:

1. To buy 78 gm of coins one must buy at least 7 coins.

2. To weigh 78 gm using these coins one can use less than 7 coins.

Which of the statements given above is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

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