Mathematics quiz on Mensuration (23-08-2020)

Total surface area of a right circular cylinder is 462 m². Total surface area is three times of its curved surface area. Then find the volume?

In a solid right cylinder the ratio of base radius to its height is 2:3. If its volume is 12936 cm³, then find the total surface area of the cylinder?

A cylinder is formed by rolling a rectangular sheet along its length. The length and breadth of the rectangular sheet is 88 cm and 22 cm respectively. Find the volume of the cylinder?

The ratio of height and radius of a cylinder is 4:3. Its volume is equal to the volume of a sphere which has radius of 6 cm. What is the total surface area of the cylinder?

In a right circular cone the ratio of height and radius is 12:5. Its curved surface area is 10010 cm². Find its volume?

If the base radius of two right circular cone are in the ratio of 2:3 and their heights in the ratio of 3:4. What is the ratio of their volumes?

Find the cost of fencing a field at Rs 12/m which is in the shape of regular hexagon whose area is 864√3 m² ?

A metallic sphere of diameter 20 cm is melted to form smaller spheres of radius 2 cm. How many such small spheres can be formed?

Find the area of the four walls of a room having length, breadth and height in ratio 4:3:2 and their sum is 36 cm ?

If the side of a cube is decreased by 50%, then find the percentage change in its volume?