Exams

If x -­ y = 7 and xy = 32, then value of (x2 + y2) is

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

3 ÷ 12 - 40 + 5 x 20 = ?

The average of 3 consecutive even numbers is A. If next 5 even numbers are added, then what is the average of these 8 numbers?

A dealer marks his goods 20% above their cost prices. Then,he allows such a discount on the marked price so that he makes a profit of 8%. The rate of discount is:

If the value of a company stock drops from Rs. 25 per share to Rs. 21 per share, the percentage decrease per share is

The cell wall in plants is interrupted by narrow pores carrying fine stands of cytoplasm which interlink the contents of the cells. These strands are called:-

The number whose square is equal to the difference of the squares of 37 and 23 is:-

Weight of a body is maximum at the: