Mr. Morey spent 20% of his monthly income on food and 15% on children’s education. 40% of the remaining he spent on entertainment and transport together and 30% on the medical. He is left with an amount of Rs.8, 775/- after all these expenditures. What is Mr. Morey’s monthly income?

Harshad bought 15 pieces of DVD.players@RS.4,500/- each and sold all of them at the total price of Rs.81, 000/-. What is the percent profit earned in the deal?

In how many different ways can the letters of the word DISPLAY be arranged?

Area of a rectangle is equal to the area of circle whose radius is 14 cms. If the breadth of the rectangle is 22 cms. What is its length?

If the digits of a two digit number are interchanged, the number formed is greater than the original number by 45. If the difference between the digits is 5.What is the original number?

If the compound interest accrued on an amount of Rs.15, 000/- in two years is Rs.2,496/-.What is the rate of interest p.c.p.a.? .