Hari Lal and Hari Prasad have equal amounts. Hari Lal invested all his amount at `10%` compounded annually for 2 years and Hari Prasad invested `1//4` at `10%` compound interest (annually) and rest at `r%` per annum at simple interest for the same 2 years period. The amount received by both at the end of 2 year is same. What is the value of r?

Options

A. `14%`
B. `12.5%`
C. `10.5%`
D. `11%`

Answer

C