Quantitative Aptitude - Arithmetic Ability Questions

If cot(A/2) = x, then x is equal to

A pentagonal prism has 15 edges. How many vertices does it have?

The ratio between the area of a square and that of a circle, when the length of a side of the square is equal to that of the diameter of the circle, is (take π=22/7)

A piece of wire 132 cm long is bent successively in the shape of an equilateral triangle, a square and a circle. Then area will be longest in shape of

In the following question, select the odd word pair from the given alternatives.

Find the odd word/letters/number pair from the given alternatives.

If x2+y2+z2-8x+6y-4z+29 = 0, then find the value of z(x+y).

If the value of √30  is approximately 5.477, then what is the approximate value of 56 ?