The difference between a discount of 40% on $ 500 and two successive discounts of 36%, 4% on the same amount is :

Successive discounts of 10 %, 20 % and 30 % is equivalent to a single discount of :

A man buys a single apple for $ 25. If he were to buy a dozen apples, he would have to pay a total amount of $ 250. What would be the approximate % discount he would get on buying a dozen apples?

If on a marked price, the difference of selling prices with a discount of 30 % and two successive discounts of 20 % and 10 % is $ 72, then the marked price (in rupees) is :

A fan is listed at $ 1500 and a discount of 20% is offered on the list price. What additional discount must be offered to the customer to bring the net price to $ 1104?

An article is marked 40 % above the cost price and a discount of 30 % is allowed. What is the gain or loss %?

The true discount on a bill of $ 1260 is due for 6 months at 10 % per annum is:

The present worth of $ 220.50 due in 2 years reckoning compound interest at 5 % is :

$ 21 is the true discount on $ 371 for a certain time at certain int. If the rate of interest is kept same, true discount on the same sum for double that time will be :

$ 20 is the true discount on $ 260 due after a certain time. What will be the true discount on the same amount due after half of the earlier time, the rate of interest being the same.