Question

4. A sum of money becomes four times in 20 yrs at simple interest. Find the
rate of interest. A 12% (B)15% (6) 14% ​

Answer 1

Answer:

Let money=X

A/Q money(amount) becomes 4 times

so amount= 4X

Now interest=amount- principal

4X-X=3X

we know that

rate=interest×100/principal×time

rate= 4X×100/X×20

rate=20%

here option will be not given

Ithink it will be help you thank you