Quantitative Aptitude - Arithmetic Ability Questions

If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is

Yaman sold an item at a loss of 10%. If he had sold it for Rs.57 more, he would have made a profit of 20%. What should be the selling price of the item to make a profit of 30%?

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48° . The average temperature for Tuesday, Wednesday, Thursday and Friday was 52°, If the temperature on Monday was 42°, then the temperature on Friday was (in degrees)

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

A Village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the orignal number before the flood?

If the zeroes of the polynomial x2 - ax + b are 3 and 4, then 'a' and 'b' are respectively equal to

The area of a square is equal to its side, if the side is 1 unit.

If tanA + tanB = X, then the value of X is