If the true discount on a sum due 3 years hence at 14% per annum be Rs. 168, the sum due is: Select the correct option
A) 698
B) 768
C) 1430
D) 1980
E) none

Rationale: "sol . p . w . = 100 * t . d . / r * t = 100 * 168 / 14 * 2 = 600 . ∴ sum = ( p . w . + t . d . ) = rs . ( 600 + 168 ) = rs . 768 . answer b"
Answer: B