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The present worth of a bill due sometime hence is Rs. 1100 and the true discount on the bill is Rs. 110. Find the banker's discount and the banker's gain.

Correct Answer: Rs.121

Explanation:

T.D. =Ö(P.W.*B.G)


B.G. =(T.D.)2/ P.W.      


       = Rs.[(110x110)/ 1100]


       = Rs. 11.


 


B.D.= (T.D. + B.G.) = Rs. (110 + 11) = Rs. 121.


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