Quantitative Aptitude - Arithmetic Ability Questions

An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.

If x = (a/b) + (b/a), y = (b/c) + (c/b) and z = (c/a) + (a/c), then what is the value of xyz – x2 – y2 – z2?

What is the value of (tan60 - 1/3) ?

Expand : S + 23

In a triangle the length of the side opposite the angle which measures 30° is 9 cm, what is the length of the side opposite to the angle which measures 60°?

In ΔABC, ∠B is right angle, D is the mid point of the side AC. If AB = 6 cm, BC = 8cm, then the length of BD is

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

Find the total surface area (in cm2) of a cuboid of length, breadth and height of 10.5 cm, 8 cm and 9 cm respectively.