Quantitative Aptitude - Arithmetic Ability Questions

A cylindrical vessel of height 9 cm and radius 7 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 10 cm what will be the height of this cone?

If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?

Calculate the length of the tangent (in cm) which is drawn from a point at a distance of 13 cm from the centre and the largest chord of that circle is 10 cm.

Find the total surface area (in cm²) of a right circular cone of diameter 14 cm and slant height 10 cm.

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?

The square root of which of the following numbers is irrational?

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area (in sq.cm) of the triangle?