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?

What can be the maximum number of common tangent which can be drawn to two non-intersecting circles?

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

If tangents PA and PB from a point P to a circle with centre O are inclined to each other at an angle of 110 deg then the angle POA is

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.

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 square root of 27225 is