Aptitude - Banker's Discount

Exercise : Banker's Discount - General Questions
11.
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: Option
Explanation:

T.D. = P.W. x B.G. = 576 x 16 = 96.


12.
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: Option
Explanation:

P.W. = Rs. (540 - 90) = Rs. 450.

S.I. on Rs. 450 = Rs. 90.

S.I. on Rs. 540 = Rs. 90 x 540 = Rs. 108.
450

B.D. = Rs. 108.


13.

The banker's discount on a certain sum due 2 years hence is 11 of the true discount.
10

The rate percent is:

11%
10%
5%
5.5%
Answer: Option
Explanation:

Let T.D. be Re. 1.

Then, B.D. = Rs. 11 = Rs. 1.10.
10

Sum = Rs. 1.10 x 1 = Rs. 110 = Rs. 11.
1.10 - 1 10

S.I. on Rs. 11 for 2 years is Rs. 1.10

Rate = 100 x 1.10 % = 5%.
11 x 2