Question

The CI=SI ,when principal and rate is same ,then time is ______

Answer 1

Simple interest,
A=P(1+rt)

Compound interest,
A=P(1+r)^t

SI=PI

So,
P(1+rt) = P(1+r)^t
1+rt = (1+r)^t

The above equation is true only when t=1
So, t = 1 year