Quantitative Aptitude - Arithmetic Ability Questions

Three solid spheres of radius 3 cm, 4 cm and 5 cm are melted and recasted into a solid sphere. What will be the percentage decrease in the surface area?

In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =

The length of the base of an isosceles triangle is 2x­2y+4z, and its perimeter is 4x­2y+6z. Then the length of each of the equal sides is

The perimeter of a triangle is 28 cm. If the length is 5/2 times its breadth, find the length and breadth of the triangle.

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

Find the value of 64344?

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

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