[Rs 15] The bankers discount on Rs. 1650 due a certain time hence is Rs. 165. Find the true discount and the

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TNPSC G4

10th CBSE Maths

The bankers discount on Rs. 1650 due a certain time hence is Rs. 165. Find the true discount and the bankers gain.

Rs 15

Rs 16

Rs 14

None of these

Explanation:

Sum = [(B.D.xT.D.)/ (B.D.-T.D.)]
= [(B.D.xT.D.)/B.G.]
T.D./B.G. = Sum/ B.D.
=1650/165
=10/1
Thus, if B.G. is Re 1, T.D. = Rs. 10.
If B.D.is Rs. ll, T.D.=Rs. 10.
If B.D. is Rs. 165, T.D. = Rs. [(10/11)xl65]
=Rs.150
And, B.G. = Rs. (165 - 150) = Rs. 15.

Additional Questions

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