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1. The present worth of a sum due sometimes hence is Rs.5760 and the baker's gain is Rs.10. What is the true discount?

A. Rs. 480

B. Rs. 420

C. Rs. 120

D. Rs. 240

Solution:

\begin{aligned} T D = \sqrt{P W \times B G} \\ = \sqrt{5760 \times 10} \\ = \sqrt{57600} \\ = Rs . 240 \end{aligned}

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