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Simple Interest
Mathematics
COMPLETE TOPIC GUIDE

Simple Interest

Everything you need to master Simple Interest — the core concept, the method that actually works, and solved practice questions, all in one focused place. · by Digital Benchers

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Simple Interest is an important topic in Mathematics for competitive exam aspirants. This guide gives you a clear, exam-focused explanation of Simple Interest, shows how it is typically asked, and pairs it with solved practice questions so you can learn the approach and test yourself right away. Work through the questions below to build speed and accuracy.

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Questions
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Q1A sum of ₹5000 is lent at 10% per annum simple interest. Find the interest for 3 years.EasySolve →Q2At what rate percent per annum will ₹800 amount to ₹920 in 3 years at simple interest?ModerateSolve →Q3Find the principal if the simple interest for 4 years at 8% per annum is ₹640.EasySolve →Q4In how many years will ₹4500 yield ₹810 as simple interest at 9% per annum?EasySolve →Q5A sum amounts to ₹9800 in 5 years at simple interest. If the principal is ₹8000, find the rate of interest.ModerateSolve →Q6A sum doubles itself in 12 years at simple interest. Find the rate of interest per annum.ModerateSolve →Q7₹7500 is borrowed at 12% p.a. simple interest. How much interest will be due after 7 months?ModerateSolve →Q8A person lent ₹4000 partly at 6% and partly at 8% simple interest per annum, earning ₹280 in a year. Find the amount lent at 6%.DifficultSolve →Q9The simple interest on a certain sum at 5% per annum for 9 months is ₹150. Find the principal.ModerateSolve →Q10At what rate of simple interest will ₹1200 amount to ₹1440 in 4 years?EasySolve →

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