Find the amount on Rs. 1800 at 10% per annum compound interest for 2 years. MCQ with Answer and Explanation

Find the amount on Rs. 1800 at 10% per annum compound interest for 2 years.

A. Rs. 2200

B. Rs. 2178

C. Rs. 2160

D. Rs. 2196

Answer: Option B

A = 1800 × (1.1)² = 1800 × 1.21 = 2178.

This question belongs to: Maths Compound Interest

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Question #1 Report Error

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

A. Rs. 8000

B. Rs. 9500

C. Rs. 9000

D. Rs. 8500

Correct Answer: Option C

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

This question belongs to: Maths Compound Interest

Question #2 Report Error

A sum of money amounts to Rs. 10404 in 2 years at 2% compound interest. Find the sum.

A. Rs. 9900

B. Rs. 10000

C. Rs. 10100

D. Rs. 9800

Correct Answer: Option B

Explanation:
P = 10404 / (1.02)² = 10404 / 1.0404 = 10000.

This question belongs to: Maths Compound Interest

Question #3 Report Error

A sum of money placed at compound interest triples itself in 5 years. In how many years will it become 9 times of itself?

A. 10 years

B. 15 years

C. 12 years

D. 8 years

Correct Answer: Option A

Explanation:
The sum becomes 3^1 times in 5 years. It will become 9 (3^2) times in 2 * 5 = 10 years.

This question belongs to: Maths Compound Interest