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A sum amounts to Rs 1,210 in two years at 10 percent compound interest per annum. Find the principal.

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Question ID #13300 UPSC AFCAT 02/2026 Mock Test Series - Attempt Online Tests AFCAT 2026 Full-Length Mock Test 1 Medium

A sum amounts to Rs 1,210 in two years at 10 percent compound interest per annum. Find the principal.

Correct Answer: B. Rs 1,000
The amount factor is 1.1 squared = 1.21, so the principal is 1210 ÷ 1.21 = Rs 1,000. Rs 1,100 would amount to Rs 1,331.

Question: A sum amounts to Rs 1,210 in two years at 10 percent compound interest per annum. Find the principal.

A. Rs 900

B. Rs 1,000

C. Rs 1,100

D. Rs 1,200

Correct Answer: B. Rs 1,000The amount factor is 1.1 squared = 1.21, so the principal is 1210 ÷ 1.21 = Rs 1,000. Rs 1,100 would amount to Rs 1,331.

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A sum amounts to Rs 1,210 in two years at 10 percent compound interest per annum. Find the principal. - MCQ Explanation

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Correct answer: B. Rs 1,000