The present worth of a certain bill due sometime hence is Rs.800 and the true discount is Rs.36.The banker’s discount is Pick one:
A) rs . 34.38  B) rs . 38.98  C) rs . 37  D) rs . 37.62  E) none

Rationale: "solution b . g = [ ( t . d ) ² / p . w ] = rs . ( 36 x 36 / 800 ) = rs . 1.62 b . d given , t . d = 36 = ( t . d + b . g ) = rs . ( 36 + 1.62 ) = rs . 37.62 . answer d"
Answer: D