Question

At what rate percent per annum will a sum of Rs.3200 amount to Rs.3872 in 2 years​

Answer 1

Answer:

10.5%

Explanation:

Sum = Rs. 3200 , Time = 2 years , Amount = Rs. 3872

SI = Amount - Sum

= 3872 - 3200

= Rs. 672

Rate = SI × 100 / P × T

= 672 × 100 / 3200 × 2

= 21 / 4

= 10.5%