What is the compound interest on Rs. 80000 for 1 year at 10% per annum, compounded half-yearly? MCQ with Answer and Explanation

What is the compound interest on Rs. 80000 for 1 year at 10% per annum, compounded half-yearly?

A. Rs. 8400

B. Rs. 8600

C. Rs. 8200

D. Rs. 8000

Answer: Option C

Solution (By JKExamLibrary)

Half-yearly rate = 10/2 = 5%. Time = 2 half-years. Amount = 80000 * (1 + 5/100)^2 = 80000 * 1.1225 = Rs. 88200. Compound Interest = 88200 - 80000 = Rs. 8200.

This question belongs to: Maths Compound Interest

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Practice More Compound Interest Questions

Question #1 Report Error

A sum doubles in 5 years at compound interest. In how many years will it become 4 times?

A. 8 years

B. 15 years

C. 12 years

D. 10 years

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Correct Answer: Option D

Explanation:
Doubles in 5 years, so quadruple (2²) in 5 × 2 = 10 years.

This question belongs to: Maths Compound Interest

Question #2 Report Error

Find the amount on Rs. 13500 at 8% per annum compound interest for 2 years.

A. Rs. 15746.40

B. Rs. 15800

C. Rs. 16000

D. Rs. 15900

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Correct Answer: Option A

Explanation:
A = 13500 × (1.08)² = 13500 × 1.1664 = 15746.40.

This question belongs to: Maths Compound Interest

Question #3 Report Error

A sum of money at compound interest amounts to Rs. 12960 in 2 years and Rs. 15552 in 3 years. Find the sum.

A. Rs. 8000

B. Rs. 11000

C. Rs. 9000

D. Rs. 10000

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Correct Answer: Option C

Explanation:
Rate = (15552/12960 − 1)×100 = 20%. P = 12960 / 1.44 = 9000.

This question belongs to: Maths Compound Interest

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