Quantitative Aptitude - Arithmetic Ability Questions

A solid cube is cut into 27 identical cubes. What is the percentage increase in the total surface area?

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

If a + b = 10 and ab = 24, then the value of a3 + b3 is

If a-1a=1, then a2 + 1a2 ?

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

Select the odd number from the given alternatives.

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

If cosθ = x2-y2x2+y2, then the value of cotθ is