What is the banker 39 s discount if the true discount on a bill of Rs 540 is Rs 90 ........

Quantitative Aptitude ( CCS) Profit and loss

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What is the banker's discount if the true discount on a bill of Rs.540 is Rs.90 ?

Rs. 616

Rs. 108

Rs. 187

Rs. 684

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Explanation:

Present Worth, PW = F - TD = 540 - 90 = Rs. 450
Simple Interest on the Present Worth = True Discount
Hence Simple Interest on 450 = 90 ------(Equation 1)
Simple Interest on the face value = Bankers Discount
=> Simple Interest on 540 = Bankers Discount
From Equation 1, Simple Interest on 450 = 90
Hence, Simple Interest on 540 =
90/450×540=540/5= Rs. 108
=> Bankers Discount = Rs. 108