Question

Q1) find the value of q foe which
(4/9)^4×(4/9)^7=(4/9)^2q-5


Q2) at what rate of interest per annum will a sum of Rs.5000 amount to Rs.6050 in 3 1/3 yrs



pls ans both ​

Answer 1

I've tried to explain in the attached images.

Hope it helps you :)