The compound interest on Rs. 12000 at 5% per annum for 2 years is: MCQ with Answer and Explanation

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The compound interest on Rs. 12000 at 5% per annum for 2 years is:

A. Rs. 1230

B. Rs. 1290

C. Rs. 1200

D. Rs. 1260

Answer: Option A

Solution (By JKSSB Mock Tests)

A = 12000 × (1.05)² = 12000 × 1.1025 = 13230, CI = 13230 − 12000 = Rs. 1230.

This question belongs to: Maths Compound Interest

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Question #1

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The population of a town increases at 10% per annum. If the present population is 20000, what will it be after 2 years?

A. 24600

B. 24400

C. 24200

D. 24000

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Correct Answer: Option C

Explanation:
Population = 20000 × (1.1)² = 20000 × 1.21 = 24200.

This question belongs to: Maths Compound Interest

Question #2

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The difference between CI and SI on a sum for 2 years at 12% is Rs. 72. The sum is:

A. Rs. 6000

B. Rs. 5500

C. Rs. 5000

D. Rs. 4500

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Correct Answer: Option C

Explanation:
D = P × (0.12)² = P × 0.0144 = 72 ⇒ P = 5000.

This question belongs to: Maths Compound Interest

Question #3

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The difference between CI and SI on Rs. 2000 for 2 years at 4% per annum is:

A. Rs. 4.00

B. Rs. 3.20

C. Rs. 4.80

D. Rs. 3.60

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Correct Answer: Option B

Explanation:
D = 2000 × (0.04)² = 2000 × 0.0016 = Rs. 3.20.

This question belongs to: Maths Compound Interest

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