Question

find the compound interest at the rate of 10% per annum for 4 years on the principle which in 4 years at the rate of 4% per annum gives rupees 1600 as simple interes


plz answer the question fast its very urgent

Answer 1

p=si*100/r*t
p=1600*100/4×4
p=10000

a=p,(1+r/100)n
a=10000(1+10/100)4
a=10000×11/10*11/10*11/10*11/10
a=14641
ci=a-p
ci=14641-10000
ci=4641