Compound Interest

IMPORTANT

Compound Interest: Overview

This Topic covers sub-topics such as Type of Interest Rates, Principal Amount of a Loan, Compound Interest on Loan, Simple Interest on Loan, Deducing a Formula for Compound Interest and, Relation Between Simple and Compound Interests

Important Questions on Compound Interest

MEDIUM
IMPORTANT

On what sum of money will the simple interest for 7 years 6 months at 5% per annum be 450?

HARD
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If the rate of compound interest for the first and second year are 4% and 5% respectively, then find the compound interest on 25000 for 2 years.

MEDIUM
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The compound interest on 5000 at  10% per annum and in  6 months amounts to.

HARD
IMPORTANT

One person pays 293457 .He gets 273743 after 11 years of simple Interest. What will be the rate of Interest?

MEDIUM
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6000 at 10% simple interest p.a for 4 months amounts to 

MEDIUM
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Find the principal when the amount is 330, rate of interest is 5% and time period is 2 years.

EASY
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What is the difference between compound interest and simple interest?

MEDIUM
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Find the compound interest on rs. 31,250 at 12% p.a. for 212 years.

EASY
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The simple interest on a sum of money for 6 years at 5% is 120 more than the simple interest on the same sum for 4 years at 5%. Find the sum invested.

MEDIUM
IMPORTANT

Rakesh went to Akash for a loan of 2500. Akash took a loan of 2500 from a bank at 8% for 2 years and promptly gave the money to Rakesh for 2 years at 12%. How much does Akash earn in this transaction?

MEDIUM
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The amount given on compound interest for 2 and 3 consecutive years is 9680 and10648 respectively. Find the rate of interest and principal

MEDIUM
IMPORTANT

Kareena borrowed a sum of 15,000 from a finance company to buy an air conditioner. If the rate of interest is 5% per annum compounded annually, find the compound interest Kareena has to pay after 2 years.

MEDIUM
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Find the compound interest on 12500 in 114 years at 8% p.a. given that C.I. is compounded yearly.

EASY
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The difference between simple and compound annually on a certain sum for 2 years at 9% per annum is 405 . Find the sum.

HARD
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Divide a sum of 13500 into two parts such that if one part be lent at 813% per annum for 2 years 9 months and tthe other at 712% per annum for 1 year 8 months, the total interest received is 2375.

HARD
IMPORTANT

Anu took a loan of 210000 from bank to buy a car at the rate of 16% per annum, compounded yearly. What amount will she pay at the end of 3 years and 6 months to repay the debt.

EASY
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What do mean by compound interest.

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What is Compound Interest?

EASY
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Rs. 1080 invested for 3 months gave an interest of Rs. 27. The simple rate of interest per annum is:

MEDIUM
IMPORTANT

What is the compound interest (in Rs.) on a sum of Rs. 12,600 for 112 years at 20% per annum if the interest is compounded half yearly? (Nearest to a Rupee)