The present worth (PW) of a sum due sometimes hence is Rs.

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The present worth (PW) of a sum due sometimes hence is Rs. 5760 and the banker’s gain is Rs. 10. What is the true discount?

1. Rs. 480
2. Rs. 420
3. Rs. 120
4. Rs. 240

Correct Option: D

As per given question,
Present worth PW = 5760
Banker gain = 10
True Discount = ?
As we know the formula,
True Discount = √PW × BG
True Discount = √Present Worth × Banker's gain
True Discount = √5760 × 10 = √57600 = Rs. 240