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Examveda

The present worth of a certain sum due sometime hence is Rs. 3400 and the true discount is Rs. 340. The banker's gain is:

A. Rs. 21

B. Rs. 17

C. Rs. 18

D. Rs. 34

Answer: Option D

Solution(By Examveda Team)

$$\eqalign{ & BG = \frac{{{{(TD)}^2}}}{{PW}} \cr & \,\,\,\,\,\,\,\,\,\,\, = \frac{{{{(340)}^2}}}{{3400}} \cr & \,\,\,\,\,\,\,\,\,\,\, = \frac{{340 \times 340}}{{3400}} \cr & \,\,\,\,\,\,\,\,\,\,\, = \frac{{340}}{{10}} \cr & \,\,\,\,\,\,\,\,\,\,\, = {\text{Rs}}{\text{.}}\,34 \cr} $$

This Question Belongs to Arithmetic Ability >> Bankers Discount

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