M L Aggarwal Solutions for Chapter: Surface Areas and Volumes, Exercise 7: Multiple Choice Questions

The length of the longest pole that can be put in a room of dimensions $\left(10 m\times 10 m\times 5 m\right)$ is 

The lateral surface area of a cube is $256 m^2$. The volume of the cube is

If the perimeter of one face of a cube is $40 cm$, then the sum of length of its edge is

A cuboid container has the capacity to hold $50$ small boxes. If all the dimensions of the container are doubled, then it can hold (small boxes of same size)

The number of planks of dimensions $\left(4 m\times 50 cm\times 20 cm\right)$ that can be stored in a pit which is $16 m$ long, $12 m$ wide and $4 m$ deep is

A right circular cylinder has 

In a cylinder, if radius is halved and height is doubled then the volume will be

In a cylinder, if radius is doubled and height is halved then its curved surface area will