Quantitative Aptitude - Arithmetic Ability Questions

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 4000 at the rate of 30% per annum?

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

Find the total surface area (in cm2) of a cube of side 3.5 cm.

What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x =2, y = -2 and y = 3?

The square root of 27225 is

Find the in-radius (in cm) of an equilateral triangle whose sides are 6 cm each.

In a triangle ABC, right angled at B, BC = 15 cm and AB = 8 cm. A circle is inscribed in triangle ABC. Then the radius of the circle is :

The angle of elevation of an aeroplane as observed from a point 30 m above the transparent water-surface of a lake is 30° and the angle of depression of the image of the aeroplane in the water of the lake is 60°. The height of the aeroplane from the water-surface of the lake is