An item is sold for $65.00, giving the retailer a profit of 30% of the cost . What will be the new retail price if the retailer cuts his profit to 10% of costs ?

A manufacturer finds that 0.4% of his production is defective and unsuitable for marketing . How many to 1000...

Six consecutive whole numbers are given ; the sum of the first three numbers is 27. What is the sum of the las...

The length of rectangle is increased by 20% and the width is decreased by 20% . What is the percentage increas...

All 120 students in a class play cricket or football or both, 75 play cricket and 60 play football.

In how many ways can a subcommittee of four persons be formed from amongst four women and six men so that one...

A number is selected at random from 40 to 59 inclusive . What is the probability that the number is prime numb...