Find the compound interest on Rs. 31250 for 3 years at 8% per annum, compounded annually. MCQ with Answer and Explanation

Find the compound interest on Rs. 31250 for 3 years at 8% per annum, compounded annually.
A. Rs. 8000
B. Rs. 8076
C. Rs. 7824
D. Rs. 7500
Answer: Option C
Solution (By JKSSB Mock Tests)
Amount = 31250 * (1 + 8/100)^3 = 31250 * (27/25)^3 = 31250 * (19683 / 15625) = 2 * 19683 = Rs. 39366. Compound Interest = 39366 - 31250 = Rs. 8076. Correct option is D.

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Practice More Compound Interest Questions

Question #1
The compound interest on Rs. 2600 at 10% per annum for 2 years is:
A. Rs. 520
B. Rs. 598
C. Rs. 572
D. Rs. 546

Correct Answer: Option D


Explanation:
A = 2600 × 1.21 = 3146, CI = 3146 − 2600 = Rs. 546.

This question belongs to: Maths Compound Interest
Question #2
A sum of money placed at compound interest becomes double of itself in 6 years. In how many years will it become 8 times of itself?
A. 24 years
B. 18 years
C. 30 years
D. 12 years

Correct Answer: Option B


Explanation:
The sum becomes 2^1 times in 6 years. It will become 8 (2^3) times in 3 * 6 = 18 years.

This question belongs to: Maths Compound Interest
Question #3
A sum of money invested at compound interest doubles itself in 16 years. In how many years will it become 4 times of itself?
A. 24 years
B. 40 years
C. 48 years
D. 32 years

Correct Answer: Option D


Explanation:
The sum doubles (2^1) in 16 years. It will become 4 (2^2) times in 2 * 16 = 32 years.

This question belongs to: Maths Compound Interest