UPSC CDS/OTA
Simple Interest
Mathematics
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Simple Interest

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Questions
30
Time
30 min
Marks
30
Solutions
All inline
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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