The true discount on a certain bill due for nine months at 4 % simple interest is ?150. Find the amount of the bill.

If ?21 is the true discount on ?371 for a certain time, what is the true discount on the same amount for double that time, the rate being the same in both the cases?

If the simple interest on ?2000 at 5 % p.a. is equal to the true discount on ?2500 for the same time and at the same rate, the time is :

The difference between the simple interest and the true discount on a certain sum of money for 2 years at 15 % per annum at simple interest is ?45. Find the sum.

The True Discount on a certain sum of money due in 2 years is ?1800 and the simple interest on the same amount is ?2232. Find the sum.

If the true discount on $ 161 is due for 2 years and 6 months is $ 21, then find the rate of interest.

The present worth of a bill due in sometime is ?1500. Find the banker's discount on the bill, if the true discount is ?75.

The True Discount on ?936 is due after a certain time at 8 % is ?36. The money is due after :

The true discount on a bill of $ 2550 due after 3 months is $ 50. Find the banker's discount.

The true discount on a bill of $ 5450 due in 9 months is $ 450. Find the rate of interest.

If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is?