Question

if a certain sum of money earns an interest of Rs 3630 in 3 years at the rate of 11 p.c.p.a, what was the principle

Answer 1

T=3,R=11=>3630=(p*3*11)/100=>p=11000

Answer 2

Rs. 3630 for 3 years, 3630/3=1210, therefore, (1210=11 ? =100) Cross multiplication. The principle amount is Rs. 11000