11.  The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs.24. The present worth is?

Rs.480
Rs.520
Rs.600
Rs.960

```Answer

Answer: Option  C Explanation:T.D.= (B.G.*100/Rate*Time) = Rs.(24*100/10*2) = Rs.120
.Therefore 100*T.D/Rate*Time = Rs.(100*120/10*2) = Rs.600 ```

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12.  The present worth of a sum due sometime hence is Rs.576 and the banker's gain is Rs.16. The true discount is?

Rs.36
Rs.72
Rs.48
Rs.96

```Answer

Answer: Option  D Explanation:T.D. = Root of P.W.*B.G. = Root of576*16 = 96. ```

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13.  The banker's gain on a bill due 1 year hence at 12% per annum is Rs.6. The true discount is?

Rs.72
Rs.36
Rs.54
Rs.50

```Answer

Answer: Option  D Explanation:T.D. = B.G.*100/R*T = Rs.(6*100/12*1) = Rs.50 ```

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14.  The banker's gain on a sum due 3 years hence at 12% per annum is Rs.270. The banker's discount is?

Rs.960
Rs.840
Rs.1020
Rs.760

```Answer

Answer: Option  C Explanation:T.D. = (B.G*100/R*T) = Rs.(270*100/12*3) = Rs.750
Therefore B.D.=Rs.(750+270) = Rs.1020 ```

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15.  The banker's discount on a bill due 4 months hence at 15% is Rs.420. The true discount is?

Rs.400
Rs.360
Rs.480
Rs.320

```Answer

Answer: Option  A Explanation:T.D = B.D.*100/100+(R*T) = Rs.{420*100/100+(15*1/3)} = Rs.(420*100/105) = Rs.400 ```

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