Question

At what rate per cent of simple interest will the interest on ₹3750 be one fifth of itself in 4 years?To what will it amount in 15 years

Answer 1

SI = PRT/100
•°•SI =P/5
•°•3750/5= (3750×R×4)/100
R/5 = 1
R = 5%p.a.
NOW AMOUNT FOR 15 YEARS...
SI = PRT/100
SI = (3750×5×15)/100
SI = ₹2812.5
A = SI+P
A = 2812.5+3750
A = ₹6562.5

Answer 2

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