Quantitative Aptitude - Arithmetic Ability Questions

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is

If √(1 - cos2A)/cosA = x, then the value of x is

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

If the elevation of the Sun changes from 30° to 60° , then the difference between the lengths of shadows of a pole 15 m high, is

The amount received at 10% per annum Compound interest after 3 yrs is Rs 5324. What was the principal (in Rs)?