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1. The banker's discount on a bill due 6 months hence at 16% per annum is Rs. 216. The true discount is = ?

A. Rs. 212

B. Rs. 180

C. Rs. 210

D. Rs. 200

Solution:

\begin{aligned} ∴ True discount is \\ = \frac{Banker's discount \times 100}{100 + rate \times time} \\ = \frac{216 \times 100}{100 + 16 \times \frac{6}{12}} \\ = \frac{21600}{108} \\ = Rs . 200 \end{aligned}

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