A sum of money doubles itself in 10 year

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Home Questions 29TMEBR4Q2

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Compound Interest

Question:

A sum of money doubles itself in 10 years on compound interest. In how many years will it become four times?

Options:

Correct Answer:

Explanation:

Given,

A sum of money doubles itself in 10 years.

Means,

1----------2 ( in 10 years)

then it will be four times in,

1²---------2²

10 × 2 = 20 years.