English Medium Class 9 - CBSE Question Bank Solutions for Mathematics

In the given figure, AB || CD || EF and GH || KL. The measure of ∠HKL is

A cuboid has total surface area of 372 cm² and its lateral surface area is 180 cm², find the area of its base.

The volume of a cube whose surface area is 96 cm², is

Three cubes of each side 4 cm are joined end to end. Find the surface area of the resulting cuboid.

In the given figure, if CP || DQ, then the measure of x is

The length, width and height of a rectangular solid are in the ratio of 3 : 2 : 1. If the volume of the box is 48cm³, the total surface area of the box is

The surface area of a cuboid is 1300 cm². If its breadth is 10 cm and height is 20 cm², find its length.

If the areas of the adjacent faces of a rectangular block are in the ratio 2 : 3 : 4 and its volume is 9000 cm³, then the length of the shortest edge is

The length of the longest rod that can be fitted in a cubical vessel of edge 10 cm long, is

Three equal cubes are placed adjacently in a row. The ratio of the total surface area of the resulting cuboid to that of the sum of the surface areas of three cubes, is

If each edge of a cube, of volume V, is doubled, then the volume of the new cube is

If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is

The area of the floor of a room is 15 m². If its height is 4 m, then the volume of the air contained in the room is

The cost of constructing a wall 8 m long, 4 m high and 10 cm thick at the rate of Rs. 25 per m³ is

10 cubic metres clay is uniformly spread on a land of area 10 ares. the rise in the level of the ground is

Volume of a cuboid is 12 cm3. The volume (in cm3) of a cuboid whose sides are double of the above cuboid is

If the sum of all the edges of a cube is 36 cm, then the volume (in cm³) of that cube is

The number of cubes of side 3 cm that can be cut from a cuboid of dimensions 10 cm × 9 cm × 6 cm, is ______. 

On a particular day, the rain fall recorded in a terrace 6 m long and 5 m broad is 15 cm. The quantity of water collected in the terrace is

The sum of the length, breadth and depth of a cuboid is 19 cm and its diagonal is ` 5 sqrt(5)` cm. Its surface area is