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MathematicsTopic Question Bank50+ Solved MCQsUpdated October 2026👁️ 3.8k Topic Views

Compound Interest Questions & Answers

Master problem-solving techniques, shortcut tricks, and formulas for Compound Interest. Solve graded practice questions with complete step-by-step mathematical solutions.

Relevant Exams:SSC CGLSBI PO & ClerkIBPS PORRB NTPCCAT / MBA

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Compound Interest — Key Concepts & Shortcuts

•Master core formulas and fundamental algebraic/arithmetic principles for Compound Interest.
•Apply approximation techniques and calculation shortcuts to solve problems within 45 seconds.
•Practice 2-tier questions and review step-by-step derivations for complex problems.

Practice Questions for Compound Interest

18+ Solved MCQs

Page 26 · Click any question to reveal correct answer and full explanation

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Suresh lent a sum of money on compound interest in such a way that it amounted to three times the principal in 4 years. For how many years should he invest his money so that he gets back an amount which is 9 times the original sum lent by him?

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Compound Interest Questions & Answers

Compound Interest — Key Concepts & Shortcuts

Practice Questions for Compound Interest

Suresh lent a sum of money on compound interest in such a way that it amounted to three times the principal in 4 years. For how many years should he invest his money so that he gets back an amount which is 9 times the original sum lent by him?

A corporate travel fund of ₹12,000 was set aside and invested at compound interest. The fund doubled to ₹24,000 in 5 years. If no withdrawals are made, how much will the fund grow to after 20 years?

At what rate of interest per annum will a sum of Rs. 31,250 amount to Rs. 39,366 in 3 years, if the interest is compounded half-yearly?

A corporate travel fund of ₹12,000 was invested at compound interest by a company. The fund doubled to ₹24,000 in 5 years. If no withdrawals are made, what will the fund grow to after a total of 20 years?

A corporate travel fund of ₹12,000 was invested at a certain rate of compound interest. If the fund doubles to ₹24,000 in 5 years, how much will the fund grow to after 20 years, assuming no withdrawals are made?

A startup founder puts Rs. 8,000 into a venture. After 2 years, the investment grows to Rs. 8,816 with interest compounded annually. What is the annual interest rate applied?

A startup founder invests ₹8,000 into a venture. After 2 years, the investment grows to ₹8,820 with interest compounded annually. What is the annual interest rate applied?

When the difference between compound interest and simple interest for three years is ₹713 at 10% interest per annum, what is the principal (in ₹)?

A woman invests ₹20,000 at compound interest of 5% p.a. compounded annually. What will be the amount after 2 years?

When the difference between compound and simple interest for three years is ₹732 at 5% interest per annum, the principal is:

Anushka invested a sum of ¹9,500 at the rate of 20% per annum compound interest, compounded annually. If she received an amount of ¹13,680 after n years, the value of n is:

A person takes a loan of ₹40,000 for 3 years at 8% per annum compound interest compounded annually. He repaid ₹20,000 at the end of each of the 1st and the 2nd years. The amount (in ₹) that he should pay at the end of the 3rd year to clear all his debt is (nearest to an integer):

Baban invested ₹55,000 in a bank. In two years, how much compound interest (in ₹) will he get, considering annual compounding, if the first year's rate of interest was 10% per annum and the second year's rate was 2% per annum more than the first year?

Simran borrowed ₹2,16,000 from a bank for 1 year at the rate of 10% per annum. Compute the total compound interest payable by Simran after 1 year, if the interest is compounded half-yearly.

What is the difference between the compound interests on Rs. 15,000 at 8% per annum for 1 12 years when interest is compounded semi-annually and when it is compounded annually? (Rounded off to the nearest rupee)

A person borrows ₹60,800 at 15% compound interest per year, compounded annually. At the end of every year, he pays ₹2,900 as part payment. How much does he still owe after two such installments?

Frequently Asked Questions on Compound Interest