Quantitative Aptitude - Arithmetic Ability Questions

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

An octahedron has 6 vertices. How many edges does it have?

What is the value of sin ­7π/4c?

Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is

Mr. Mahesh sold a bus for Rs. 22,100 with a loss of 15%. At what price should the bus be sold to get a profit of 15%?

The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?

The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.

From a point P on a level ground , the angle of elevation to the top of the tower is 30° . If the tower is 100m high , the distance of point P from the foot of the tower is ( Take √3 = 1.73)