Question

Arjun gets rs 210 as interest on a sum of rs 2100 for 1 year at 5%pa. Find the sum he borrowed

Answer 1

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GIVEN :

=> ARUN INVESTED SOME AMOUNT :

SIMPLE INTEREST HE EARNED :

=> 210 RS

RATE OF INTEREST :

=> 5%

PERIOD :

=> 1 YR

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TO FIND :

=> THE SUM HE BORROWED

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FORMULA FOR SIMPLE INTEREST :

=> PRINCIPLE * RATE * PERIOD / 100

=> PRINCIPAL * 5 * 1 / 100

=> PRINCIPLE * 5 / 100

=> PRINCIPAL / 20

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BUT SIMPLE INTEREST IS GIVEN :

=> RS 210

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FROM ALL INFO,

=> 210 = PRINCIPAL / 20

=> PRINCIPAL = 20 * 210

=> PRINCIPAL = 4,200 RS

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HOPE IT WILL HELP U .....

THANKS .....

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