The compound interest on Rs. 3700 at 10% per annum for 2 years is: MCQ with Answer and Explanation

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The compound interest on Rs. 3700 at 10% per annum for 2 years is:

A. Rs. 814

B. Rs. 851

C. Rs. 740

D. Rs. 777

Answer: Option D

Solution (By JKSSB Mock Tests)

A = 3700 × 1.21 = 4477, CI = 4477 − 3700 = Rs. 777.

This question belongs to: Maths Compound Interest

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Question #1

The difference between CI and SI on Rs. 4200 for 2 years at 5% is:

A. Rs. 9.00

B. Rs. 10.50

C. Rs. 8.40

D. Rs. 12.00

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Correct Answer: Option B

Explanation:
D = 4200 × 0.0025 = Rs. 10.50.

This question belongs to: Maths Compound Interest

Question #2

Find the compound interest on Rs. 2000 at 4% per annum for 1 year compounded quarterly.

A. Rs. 80.80

B. Rs. 81.21

C. Rs. 83.00

D. Rs. 82.40

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Correct Answer: Option B

Explanation:
Quarterly rate 1%, n=4. A = 2000 × (1.01)⁴ = 2000 × 1.04060401 = 2081.208, CI = 81.208 ≈ 81.21.

This question belongs to: Maths Compound Interest

Question #3

A sum of money at compound interest triples in 8 years. In how many years will it become 9 times?

A. 18 years

B. 14 years

C. 12 years

D. 16 years

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Correct Answer: Option D

Explanation:
3 times in 8 years, 9 = 3² ⇒ 8 × 2 = 16 years.

This question belongs to: Maths Compound Interest

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