A sum of money at compound interest doubles in 5 years. How many years will it take to become 8 times? MCQ with Answer and Explanation

Question

Share Report Error

A sum of money at compound interest doubles in 5 years. How many years will it take to become 8 times?

A. 20 years

B. 12 years

C. 10 years

D. 15 years

Answer: Option D

Solution (By JKSSB Mock Tests)

2^3=8. Since doubles in 5 years, 8 times = 3 intervals of 5 = 15 years.

This question belongs to: Maths Percentage

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Percentage Questions

Question #1

Share Report

The cost of an article is Rs. 1200. It is marked up by 50% and then a discount of 40% is given. Find the selling price.

A. Rs. 1120

B. Rs. 1020

C. Rs. 1180

D. Rs. 1080

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
MP = 1200×1.5=1800, SP=1800×0.6=1080.

This question belongs to: Maths Percentage

Question #2

Share Report

20% of 50 + 30% of 60 equals:

A. 30

B. 28

C. 34

D. 32

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
20% of 50 = 10, 30% of 60 = 18, sum = 28.

This question belongs to: Maths Percentage

Question #3

Share Report

Ratio of two numbers 5:7. First increased 10%, second 20%. New ratio:

A. 5:7

B. 11:14

C. 55:84

D. 13:17

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
First = 5.5, second = 8.4, ratio = 55:84.

This question belongs to: Maths Percentage

Explore All Percentage MCQs