Other Math Answers

Both P and NP are closed under operation
a) union
b) intersection
c) concatination
d) Kleene

A wholesaller allows a discount of 20% on the list price to a retailer. The retailer sells at 5% discount on the list price. If a customer paid Rs 38for an article, what profit is made by the retailer? Find also retailer's percentage profit on his cost, giving your answer corect to two decimal places.

'A' sells a car priced at rupees 36000. he gives a discount of 8% on the first Rs 20000 and 5% on the remaining Rs 16000. B also sells a car of the same make priced at Rs 36000. He gives a discount of 7% on the total price. Calculate the actual prices charged by A and B for the cars.

A tradesman fixes his selling price of goods at 30% above the cost price. He sells half of this stock at this price, one-quarter of his stock at a discount of 15% on the original selling price, and the rest at a discount of 30% on the original selling price. Find his gain per cent altogether.

A shopkeeper sells an article at 10% discount on the marked price which is 20% above the cost price. Find the profit he makes if he sells an article for Rs 10.80.

How much per cent more than the cost price should a shopkeeper mark his goods so that after allowing a discount of 15% on the marked price, he gains 19%.

A tradesman marks an article Rs 205 above the cost price. He allows a discount of 10% on the marked price. Find his profit %, if the cost price is x?

A manufacturer makes 750 articles at a cost of 60 paise per article. He fixes the selling price such that if only 600 articles are sold, he would make a profit of 40% on his outlay. However, he sold 630 articles at this price. Find his actual profit per cent as a percentage of the total outlay assuming that the unsold articles are useless. Explain the steps.

I represent the greatest fraction among the following.

a)725/896 b)725/846 c)725/899 d)725/900