the present worth of rs . 845 due in 2 years at 4 % per annum compound interest is
"solution present worth = rs . [ 845 / ( 1 + 4 / 100 ) ² ] = rs . ( 845 x 25 / 26 x 25 / 26 ) = rs . 781.25 answer c"
divide(845, power(add(divide(4, const_100), const_1), 2))