The bankers discount of a certain sum of money is Rs. 72 and the true discount on the same sum for the same time is Rs. 60. The sum due is:
Rs. 360
Rs. 432
Rs. 540
Rs. 1080
Explanation:
| Sum =$ \dfrac{B.D. \times T.D.}{B.D. - T.D.} $= Rs.$ \left(\dfrac{72 \times 60}{72 - 60} \right) $= Rs.$ \left(\dfrac{72 \times 60}{12} \right) $= Rs. 360. |