The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs.24. The present worth is Choose the correct choice from the following options.
A) rs . 480	B) rs . 520	C) rs . 600	D) rs . 960	E) none

Rationale: solution t . d = ( b . g x 100 / rate x time ) = rs . ( 24 x 100 / 10 x 2 ) = rs . 120 . p . w = ( 100 x t . d / rate x time ) = rs . ( 100 x 120 / 10 x 2 ) = rs . 600 . answer c
Answer: C