If the true discount on a sum due 3 years hence at 14% per annum be Rs. 168, the sum due is:  Choose the correct choice from the following options:
A) 698  B) 768  C) 1430  D) 1980  E) None
Sol.   P.W. = 100 * T.D./R * T = 100 * 168 / 14 * 2 = 600.   ∴ Sum = (P.W. + T.D.) = Rs. (600 + 168) = Rs. 768.   Answer 768
<result>B</result>
If the true discount on a sum due 3 years hence at 14% per annum be Rs. 168, the sum due is: