English Medium कक्षा ९ - CBSE Question Bank Solutions

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

If each edge of a cube is increased by 50%, the percentage increase in its surface area is

If A1, A2, and A3 denote the areas of three adjacent faces of a cuboid, then its volume is

If l is the length of a diagonal of a cube of volume V, then

If V is the volume of a cuboid of dimensions x, y, z and A is its surface area, then `A/V`

A cube whose volume is 1/8 cubic centimeter is placed on top of a cube whose volume is 1 cm³. The two cubes are then placed on top of a third cube whose volume is 8 cm³. The height of the stacked cubes is

Write whether the following expression is polynomial in one variable or not. State the reason for your answer.

4x² − 3x + 7

Write the coefficient of x² in the following:-

`2+x^2+x`

Give one example each of a binomial of degree 35, and of a monomial of degree 100.