The present worth of a sum of money due for 146 days at 5 % is ?400. The sum due is :

The present worth of a bill of ?1764 due for 2 years at 5 % compound interest is :

The banker's gain on a certain sum of money is due for 9 months at 4 % p.a. is ?2.25. The sum is :

If the simple interest on a certain sum is due for some years at 6 % is ?180, and the discount at 5 % on the same amount is ?140. Find the sum and the time.

The present worth of ? 920 due at the end of 3 years at 5 % simple interest per annum is :

Two successive discounts of 20% and 5% are equivalent to a single discount of

A banker discounts a 4 months bill at 3 %. If the proceeds be invested in a manner, so that nothing is lost, the interest rate should be :

A man bought a motor-cycle for ?32500. He sold it for ?35000, allowing the buyer for a 6 months credit. If the money be worth 4 % per annum, the gain percent is :

At a given rate, the simple interest and the true discount on a certain sum, for a given time, are ?24 and ?22, respectively. The sum is :

The holder of a bill for ?17850 nominally due on May 21, 1991 received ?357 less than the amount of the bill by having it discounted at 5 %. When was it discounted?

If $ 10 be allowed as true discount on a bill of $ 110 due at the end of certain time, then the discount allowed on the same amount due at the end of double the time is :