The compound interest on Rs. 5500 at 10% per annum for 2 years is: MCQ with Answer and Explanation

The compound interest on Rs. 5500 at 10% per annum for 2 years is:
A. Rs. 1320
B. Rs. 1265
C. Rs. 1210
D. Rs. 1155
Answer: Option D
Solution (By JKSSB Mock Tests)
A = 5500 × 1.21 = 6655, CI = 6655 − 5500 = Rs. 1155.

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Practice More Compound Interest Questions

Question #1
At what rate percent will a sum of Rs. 4000 amount to Rs. 4410 in 2 years at compound interest?
A. 4%
B. 5%
C. 6%
D. 8%

Correct Answer: Option B


Explanation:
4000(1+r)² = 4410 ⇒ (1+r)² = 1.1025 = (1.05)² ⇒ r = 5%.

This question belongs to: Maths Compound Interest
Question #2
A sum of money placed at compound interest becomes double of itself in 5 years. In how many years will it become 128 times of itself?
A. 45 years
B. 30 years
C. 40 years
D. 35 years

Correct Answer: Option D


Explanation:
The sum becomes 2^1 times in 5 years. It will become 128 (2^7) times in 7 * 5 = 35 years.

This question belongs to: Maths Compound Interest
Question #3
At what rate percent compound interest will Rs. 3200 amount to Rs. 3872 in 2 years?
A. 8%
B. 12%
C. 15%
D. 10%

Correct Answer: Option D


Explanation:
3200(1+r)² = 3872 ⇒ (1+r)² = 1.21 ⇒ r = 10%.

This question belongs to: Maths Compound Interest