Banker's Discount

1

The banker's gain on a certain sum due `1 1/2`  years hence is `3/25` of the banker's discount. The rate percent is :

A. `5 1/5`%
B. `9 1/9`%
C. `8 1/8`%
D. `6 1/6`%

2

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

A. 11%
B. 10%
C. 5%
D. 5.5%

3

The banker's discount of a certain sum of money is Rs. 72 and the rue discount on the same for the same time is  Rs. 60. The sum due is .

A. Rs. 360
B. Rs. 432
C. Rs. 540
D. Rs. 1080

4

The banker's discount on a sum of money for `1 1/2` years is Rs. 558 and the rue discount on he same sum for 2 years is Rs. 600. The rate percent is :

A. 10%
B. 13%
C. 12%
D. 15%

5

The banker's discount on Rs. 1600 at 15% per annum  is the same as rue discount on Rs. 1680 for the same time and at the same rate .  The time is  :

A. 3 months
B. 4 months
C. 6 months
D. 8 months