Question

If a certain amount with simple interest becomes double in 12.5years, then what is the rate of interest p.c.p.a?​

Answer 1

Answer:

principal be x

rate= 12.5 %

amount =2x

simple interest =2x-x =x

SI = P*R*T/100

x= x*12.5*T/100

T = 100/12.5

T = 8 years

Time = 8 years

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