If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?

A square pyramid with side 10 cm has a volume of 400 cm³. Find the total surface area of the pyramid.

The radius of a semicircle is 35 cm, find its area and perimeter.

The perimeter of a square and an equilateral triangle is the same if the length of the diagonal of the square is cm. If, what will be the area of the triangle?

What is the total surface area and curved surface area of a solid semi circle with radius of 14 cm?

The cost of fencing a circular plot at the rate of Rs.15 per meters Rs. 3,300. What will be the cost of flooring the plot at the rate a Rs . 100 per square meter? 

Find the shaded area in the given figure. If each circle having radius of 7cm?

The volume of a sphere and an elliptical cylinder are the same. The radius of the sphere and cylinder are 21 cm and 14 cm respectively. What is the height of the cylinder?