Quantitative Aptitude - Arithmetic Ability Questions

Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.

A shop keeper cheats to the extent of 10% while buying and selling fruits, by using tampered weights. His total gain, in %, is:

The least number to be added to 435 to make it a perfect square is

In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to

In a triangle the length of the side opposite the angle which measures 30 degree is 9√3 cm, what is the length of the side opposite to the angle which measures 60 degree?

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

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

If the side of the equilateral triangle is 8√3 cm, then what is the length (in cm) of the in radius of the triangle?