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

Simple and Compound Interest Questions & Answers

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

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Simple and Compound Interest — Key Concepts & Shortcuts

•Master core formulas and fundamental algebraic/arithmetic principles for Simple and 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 Simple and Compound Interest

18+ Solved MCQs

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Raghu invested some money at a 4% per annum rate of interest. What would be the corresponding simple interest (in ₹) if after 2 years, Raghu got ₹102 as compound interest, considering annual compounding?

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Simple and Compound Interest Questions & Answers

Simple and Compound Interest — Key Concepts & Shortcuts

Practice Questions for Simple and Compound Interest

Raghu invested some money at a 4% per annum rate of interest. What would be the corresponding simple interest (in ₹) if after 2 years, Raghu got ₹102 as compound interest, considering annual compounding?

If at the same rate of interest, in 2 years, the simple interest on a sum is ₹40 and the compound interest is ₹60, then what is the principal (in ₹)?

If the difference between the compound interest and simple interest on a certain sum of money for 2 years at an annual interest rate of 10% is Rs. 12, then find the principal sum.

If the simple interest on a sum of money at 8% per annum in 2 years is ₹2,000, find the compound interest on the same sum for the same period at the same rate in case of annual compounding.

If the difference between the compound interest (compounded annually) and the simple interest on a certain sum for two years at 4% per annum interest is Rs 20, then the principal sum amount will be:

In what time will Rs. 1600 increase to Rs. 1852.20 at 5% compound interest per annum compounded annually?

What principal amount will become Rs. 650 at the end of the 1st year and Rs. 676 at the end of the 2nd year at compound interest compounded annually?

Find the simple interest (in ₹) on a borrowed sum of ₹3,000 at an interest rate of 6% per annum for 5 years.

Find the simple interest (in ₹) on a borrowed sum of ₹4,000 at an interest rate of 4% per annum for 3 years.

The difference between Simple Interest and Compound Interest on a sum of money at 5% per annum for 2 years is Rs. 25. Find the sum.

Rahna decided to buy a scooty costing ₹40,000. The shopkeeper agreed to sell it under a cash down payment of ₹25,000 followed by four equal monthly installments of ₹4,000 each. Find the annual rate of simple interest charged under the installment scheme.

A principal sum of ₹12,000 earns simple interest equal to 35 of itself at x% per annum rate of interest for 5 years. If the same principal is invested for 2 years at a compound interest rate of (x + 4)% per annum, find the interest earned.

A computer is available for ₹ 39,000 on cash payment or ₹ 19,000 as cash down payment followed by five monthly installments of ₹ 4,200 each. What is the rate of interest per annum under the installment plan?

The difference between the simple interest and the compound interest on a certain sum of money at 9% per annum for two years is ₹162. What is the principal sum?

The difference between the interest received on a certain sum of money invested under compound interest (compounded annually) and simple interest at the same rate for two years is Rs. 36. If the interest rate is 4% per annum, calculate the amount invested (in Rs.).

The difference between the Simple Interest and Compound Interest for 2 years on a certain sum at the rate of 5% per annum is Rs. 20. Find the sum.

The difference between the Simple Interest and Compound Interest on a certain sum of money at the rate of 5% per annum for 2 years is ₹5. Find the sum.

Frequently Asked Questions on Simple and Compound Interest