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 . 76800 ?
76800 * 9 / 8 * 9 / 8 = 97200 . answer : b
add(add(76800, multiply(divide(1, 8), 76800)), multiply(divide(1, 8), add(76800, multiply(divide(1, 8), 76800))))