1.  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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2.  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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3.  The true discount on a bill of Rs.540 is Rs.90. The banker's discount is?

Rs.60
Rs.108
Rs.110
Rs.112

```Answer

Answer: Option  B Explanation:P.W. = Rs.(540 - 90) = Rs.450.
Therefore S.I. on Rs.450 =Rs.90
S.I. on Rs.540 = Rs.(90/450*540) = Rs.108
Therefore B.D. Rs.108 ```

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4.  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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5.  If the difference between CI and SI earned on a certain amount at 15% pa at the end of 3 years is Rs.3200, find out the principal?

Rs.45150
Rs.45000
Rs.42560
Rs.42560

```Answer

Answer: Option  A Explanation:Sum = D*1003/r2(300+r)
S = 3200*1003/152(300+15)
S = 3200*100*100*100/225*315
= 45149.9 = 45150 ```

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