Math, asked by shubham2708sharma, 1 month ago

a sum of money becomes 5 times of itself at simple interest in 28 years how long would it take for same amount to become double?

Answers

Answered by PORIKASUHAS

5

Answer:

t = 7 years

Step-by-step explanation:

Let the sum be x. Time = 28 years ,Amount = 5x, Simple Interest = 5x-x=4x

S.I = P *R*T/100

4x = x*28*R/100

R = 4x *100/28 x

R=100/7 %

Sum = x , R= 100/7%, Interest = x, Time = ?

x = x *t*100/7*100

t= 7 years

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