If the true discount on a sum due 2 years hence at 14% per annum be Rs.168,the sum due is :  Select:
A) rs . 768 B) rs . 968 C) rs . 1960 D) rs . 2400 E) none

Rationale: solution p . w = 100 xt . d . / r x t = 100 x 168 / 14 x 2 = 600 . ∴ sum = ( p . w . + td . ) = rs . 768 . answer a
Answer: A