The bankerâ€™s discount of a certain sum of money is Rs. 42 and the true discount on the same sum for the same time is Rs. 36. The sum due is	Choose the correct choice
A) 252  B) 280  C) 360  D) 450  E) None
Sol.   Sum = B.D. * T.D. / B.D. - T.D. = Rs.[42 * 36 / 42 - 36] = Rs. [42 * 36 / 6] = Rs. 252   252nswer 252
<result>A</result>
The bankerâ€™s discount of a certain sum of money is Rs. 42 and the true discount on the same sum for the same time is Rs. 36. The sum due is