11.

The simple interest and the true discount on a certain sum for a given time and at a given rate are Rs. 85 and Rs. 80 respectively. The sum is :

A) Rs. 1800

B) Rs. 1450

C) Rs. 1360

D) Rs. 6800

12.

The interest on Rs. 750 for 2 years is the same as the true discount on Rs. 960 due 2 years hence. If the rate of interest is the same in both eases, it is :

A) 12%

B) 14%

C) 15%

D) 16(2/3)%

13.

The true discount on a bill due 9 months hence at 16% per annum is Rs. 189. The amount of the bill is :

A) Rs. 1386

B) Rs. 1764

C) Rs. 1575

D) Rs. 2268

14.

The true discount on Rs. 1760 due after a certain time at 12% per annum is Rs. 160. The time after which it is due is :

A) 6 months

B) 8 months

C) 9 months

D) 10 months

15.

The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is :

A) 12%

B) 13(1/3)%

C) 15%

D) 14%

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