The compound interest on Rs. 3900 at 10% per annum for 2 years is: MCQ with Answer and Explanation

Question

Share Report Error

The compound interest on Rs. 3900 at 10% per annum for 2 years is:

A. Rs. 897

B. Rs. 858

C. Rs. 819

D. Rs. 780

Answer: Option C

Solution (By JKSSB Mock Tests)

A = 3900 × 1.21 = 4719, CI = 4719 − 3900 = Rs. 819.

This question belongs to: Maths Compound Interest

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Compound Interest Questions

Question #1

Share Report

Find the compound interest on Rs. 5000 at 10% per annum compounded half-yearly for 1 year.

A. Rs. 500

B. Rs. 525

C. Rs. 512.50

D. Rs. 550

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Half-yearly rate 5%, n=2. A = 5000 × (1.05)² = 5000 × 1.1025 = 5512.50, CI = 5512.50 − 5000 = Rs. 512.50.

This question belongs to: Maths Compound Interest

Question #2

Share Report

A sum of money invested at compound interest doubles itself in 6 years. In how many years will it become 4 times of itself?

A. 15 years

B. 9 years

C. 18 years

D. 12 years

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
The sum doubles (2^1) in 6 years. It will become 4 (2^2) times in 2 * 6 = 12 years.

This question belongs to: Maths Compound Interest

Question #3

Share Report

A sum of money amounts to Rs. 6690 after 3 years and to Rs. 10035 after 6 years on compound interest. Find the sum.

A. Rs. 4500

B. Rs. 4000

C. Rs. 4660

D. Rs. 4460

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Let the principal be P and expansion factor over 3 years be x. P * x = 6690 and P * x^2 = 10035. Therefore, x = 10035 / 6690 = 1.5. Principal P = 6690 / 1.5 = Rs. 4460.

This question belongs to: Maths Compound Interest

Explore All Compound Interest MCQs