The length of a cuboidal refrigerator is twice its breadth and its height is 3m.If the area of the four walls including the door of the refrigerator is`105cm^2` then find the volume of the refrigerator.

The radius of a circle is 14 cm.If the area of a sector of the circle is 102.7cm^2 ,then find the angle made by the sector at its centre.

The length of a rectangle is three times of its breadth. If the area of the rectangle is 432 cm^2 then find its perimeter.

The length of a rectangle is 3 metres more than twice of its breadth. If its perimeter be 72 metres, what is the length.

The length of the edge of a cube is 1.2 cm. Find its volume.

The breadth of a rectangle is 5 cm. and its length is 3 times of the breadth. What is the perimeter of the rectangle?

The breadth of a rectangle is 5 cm. and its area is 100 m^2 . Find the length of the rectangle.

The ratio of the edges of a cuboid is 1:2:3 and its volume is 1,296 cm^3 . What is the area of the whole surface?

Find the length of the edge of a cube if the rate of increase in its volume is the same as the rate of increasing in tis surface area

The ratio of the radius and the slant height of a cone is 4:7 and the area of its curved surface is 792cm^2 .Find the radius of the cone.

A cylindrical tub of radius 5 cm and length 9.8 cm is full of water. A solid is in the form of a right circular cone mounted on a hemisphere is immersed into the tub. If the radius of the hemisphere is 3.5 cm and the height of the cone outside the hemisphere is 5 cm, find the volume of water left on the tub. (Use pi = 22/7 )