Question

A sum of money doubles it self in 5 years at a simple interet. then what is the rate of interest,?​

Answer 1

Answer:40%

Step-by-step explanation:

Assume the amount as 1000 so the amount we get in 5 years is 2000

So the rate of interest is 40%

1000× 40/100× 5 = 2000

I guess it correct if its wrong sorry