Exams

If 5x ­- 3(4 ­ x) < 4x -­ 4 < 4x + 2x/3; then the value of x is

The manufacturer does not want to use it, the buyer does not need to use it and the user does not know he is using it. What is it?

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)

A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?

If a ball is thrown up, which of the following does not change?

If for a perfectly competitive firm, price is Rs. 60, output is 300 units, average variable costs are Rs. 18, and average total costs are Rs. 36. The firm's profits are equal to

The ozone layer is mainly found in the lower portion of the _______.