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11.

The present worth of a certain sum due sometime hence is Rs. 1600 and the true discount is Rs. 160. The banker's gain is :


A) Rs. 20

B) Rs. 24

C) Rs.16

D) Rs.12



12.

The present worth of a certain bill due sometime hence is Rs. 800 and the true discount is Rs. 36. The banker's discount is :


A) Rs. 37

B) Rs. 37.62

C) Rs. 34.38

D) Rs. 38.98



13.

The true discount on a bill of Rs. 540 is Rs. 90. The banker's discount is :


A) Rs. 60

B) Rs. 108

C) Rs. 110

D) Rs.112



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