If the radius of the base and height of a cylinder and cone are each equal to r,
If the radius of the base and height of a cylinder and cone are each equal to r, and the radius of a hemisphere…
A school room is be built to accommodate 70 children so as to allow 2.2 m 2 of f
A school room is be built to accommodate 70 children so as to allow 2.2 m 2 of floor and 11 m 3 of…
Base of a prism is a rectangle the ratio of whose length and breadth is 3: 2. If
Base of a prism is a rectangle the ratio of whose length and breadth is 3: 2. If the height of the prism is…
A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7
A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled with soup…
The breadth of a room is twice its height and half its length. The volume of the
The breadth of a room is twice its height and half its length. The volume of the room is 512 cu.m. The length of…
A closed box made of wood of uniform thickness has length, breadth and height 12
A closed box made of wood of uniform thickness has length, breadth and height 12 cm, 10 cm and 8 cm respectively. If the…
From a cube of side 8 m, a square hole of 3 m side is hollowed from end to end.
From a cube of side 8 m, a square hole of 3 m side is hollowed from end to end. What is the volume…
An open box is made by cutting the congruent squares from the corners of a recta
An open box is made by cutting the congruent squares from the corners of a rectangular sheet of cardboard of dimension 20 cm ×…
The dimensions of a rectangular box are in the ratio 2 : 3 : 4 and the differenc
The dimensions of a rectangular box are in the ratio 2 : 3 : 4 and the difference between the cost of covering it…
V 1 , V 2 , V 3 and V 4 are the volumes of four cubes of side lengths x cm, 2x c
V 1 , V 2 , V 3 and V 4 are the volumes of four cubes of side lengths x cm, 2x cm,…
A cuboidal water tank contains 216 litres of water. Its depth is frac13 of its l
A cuboidal water tank contains 216 litres of water. Its depth is frac13 of its length and breadth is frac12 of frac13 of the…
A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. Wha
A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth…