Quantitative Aptitude - Arithmetic Ability Questions

Possible length of the three sides of a triangle are :­

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm2) of curved surface areas of all small spheres?

In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

What is the measure of an interior angle of a regular dodecagon?

The total surface area of a hemisphere is 166.32 sq cm, find its curved surface area?

Find the average of all prime numbers from 1 to 50.

The total surface area of a hemisphere is 41.58 sq cm, find its radius.

The area and the length of one of the diagonals of a rhombus is 60 cm2 and 8 cm respectively. Find the length of its other diagonal (in cm).