Quantitative Aptitude - Arithmetic Ability Questions

What is the age of the eldest sister if, the sum of ages of 5 sisters born at the intervals of 3 years each is 50 years?

If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is

If a regular polygon has 10 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

If selling price and cost price of an article are Rs. 684.25 and Rs. 595 respectively, then what is the profit percentage?

The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is

If the angles of a triangle are in the ratio of 2:3:4, then the difference of the measure of greatest angle and smallest angle is

The total surface area of a cube is 73.5 sq.cm. Find its side (in cm).

What will come in the place of the question mark (?) in the following number series?305, 338, 404, 503, 635 , (?)