Quantitative Aptitude - Arithmetic Ability Questions

The perimeter of two similar triangles is 36 units and 48 units. Find the ratio of their corresponding areas.

In ΔPQR measure of angle Q is 90 deg. If cotP = 8/15, and PQ = 4cm, then what is the length (in cm) of side PR?

The sum of two positive integers is 34 and their difference is 8. Find their product.

A tent is to be built in the form of a cylinder of radius 7 m surmounted by a cone of the same radius. If the height of the cylindrical part is 8 m and slant height of the conical part is 12 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

If X + Y = 19 and X - Y = 7, then XY = ?

A shuttle cock used for playing badminton has the shape of a frustum of a cone mounted on a hemisphere. The external diameters of the frustum are 5cm and 2cm, the height of the entire shuttle cock is 7cm. Find the external surface area.

Given w = -2, x = 3, y = 0 & z = -1/2. Find the value of (z/w) + x.

25 - 1/2{5 + 4 - (3 + 2 - 1 + 3)} = ?