Question

Bala deposited an amount in bank which gives 5%S.I (simple interest), If he gets Rs 45000 after 10 years,the amount deposited was??​

Answer 1

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Given

Amount = rs 45000

Years. = 10

Rate. = 5%

Principal = x

Solution

As we know that

S.I = PRT/100

S.I = Amount - principal

S.I = 45000- x

Calculation

= 45000-x = x (5)(10)/100

= 45000- x = 5x /10

= 45000- x = x/2

= 2(. 45000- x ) = x

= 90000- 2x = x

= 90000 = 2x +x

= 90000= 3x

= 30000 = x

So Amount that was deposited before 10 years is 30000