every year an amount increases by 1 / 8 th of itself . how much will it be after two years if its present value is rs . 83200 ?
83200 * 9 / 8 * 9 / 8 = 105300 . answer : c
add(add(83200, multiply(divide(1, 8), 83200)), multiply(divide(1, 8), add(83200, multiply(divide(1, 8), 83200))))