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A certain sum amounts to Rs.7350 in 2 years and to Rs.8575 in 3 years.find the sum and rate percent.

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A certain sum amounts to Rs.7350 in 2 years and to Rs.8575 in 3 years.find the sum and rate percent.

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1 Answer

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Best answer

S.I on Rs.7350 for 1 year =Rs.(8575-7350) = Rs.1225. 

Rate=(100*1225/7350*1)%=16 2/3% 

Let the sum be Rs.x.then, 

X(1+50/3*100)2 = 7350 

X*7/6*7/6=7350 

X=(7350*36/49)=5400. 

Sum = Rs.5400. 

by (10 points)
How to know that the solution to be solved Simple interest or compound interest
You did both
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