Quantitative Aptitude - Arithmetic Ability Questions

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is

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

What is the slope of the line perpendicular to the line passing through the points (­-4,5) and (3,­-2)?

How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

A natural number, when divided by 4, 5, 6 or 7, leaves a remainder of 3 in each case. What is the smallest of all such numbers?

The value of 14 ÷ 5 of 2 - 3 x 47 - 2 is