Question

At what rate percent compound interest per annum will ₹640 amount to ₹774.40 in 2 years

Answer 1

Answer:

rate =10%

Step-by-step explanation:

here given, principal=Rs 630,amount =Rs 774.40

time=2 years

we know, A=P (1+R/100)^T

=>774.40=640 (1+R/100)^2

=>77440/640×100=(1+R/100)^2

=>7744/6400=(1+R/100)^2

=>88/80=1+R/100

=> R=(11/10-1)100

=>R=(1/10)100=>R=10%

hey mate,here is your answer. Hope it will help you.