The compound interest on a sum for 2 years at 5% is Rs. 205. Find the sum. MCQ with Answer and Explanation

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The compound interest on a sum for 2 years at 5% is Rs. 205. Find the sum.

A. Rs. 2100

B. Rs. 1900

C. Rs. 2000

D. Rs. 2200

Answer: Option C

Solution (By JKSSB Mock Tests)

CI = P[(1.05)² − 1] = P × 0.1025 = 205 ⇒ P = 2000.

This question belongs to: Maths Compound Interest

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Question #1

The compound interest on a sum for 2 years at 11% is Rs. 464.20. The sum is:

A. Rs. 1900

B. Rs. 1800

C. Rs. 2100

D. Rs. 2000

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Correct Answer: Option D

Explanation:
CI = P[(1.11)² − 1] = P × 0.2321 = 464.20 ⇒ P = 2000.

This question belongs to: Maths Compound Interest

Question #2

What is the principal if the amount after 3 years at 5% compound interest is Rs. 2315.25?

A. Rs. 2000

B. Rs. 2200

C. Rs. 1900

D. Rs. 2100

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Correct Answer: Option A

Explanation:
P = 2315.25 / (1.05)³ = 2315.25 / 1.157625 = 2000.

This question belongs to: Maths Compound Interest

Question #3

Find the compound interest on Rs. 2500 at 12% per annum for 2 years.

A. Rs. 636

B. Rs. 630

C. Rs. 650

D. Rs. 640

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Correct Answer: Option A

Explanation:
A = 2500 × (1.12)² = 2500 × 1.2544 = 3136, CI = 3136 − 2500 = Rs. 636.

This question belongs to: Maths Compound Interest

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