50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is $$ {4 m^{3}}$$ , then the rise in the water level in the tank will be:

What is the area of the largest triangle that can be fitted into a rectangle of length 'l' units and width 'w' units?

The figure below is an equilateral triangle with sides of length 6. What is the area of the triangle?

In the given figure, the ratio of the area of the largest square to that of the smallest square is:

The ratio of Volume of two spheres A and B is 8 : 1. The Surface Area of Sphere B is 616 cm². Find the radius of sphere A.

A polygon has 9 sides, what is its interior angle?

The edges of a cuboid are in the ratio 1 : 2: 3 and its surface area is  88 sq.cm. The volume of the cuboid is:

If the curved surface area of a right circular cone is 10010 sq cm and its slant height is 91 cm, find its total surface area.