HARD
9th CBSE
IMPORTANT
Earn 100

The water for a factory is stored in a hemispherical tank whose internal diameter is 14 m. The tank contains 50 kilolitres of water. Water is pumped into the tank to fill to its capacity. Calculate the volume of water pumped into the tank.

Important Questions on Surface Areas and Volumes

HARD
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 13 - Surface Areas and Volumes>Exercise>Q 5
The volumes of the two spheres are in the ratio 64 : 27 . Find the ratio of their surface areas.
HARD
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 13 - Surface Areas and Volumes>Exercise>Q 6
A cube of side 4 cm contains a sphere touching its sides. Find the volume of the gap in between.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 13 - Surface Areas and Volumes>Exercise>Q 7
A sphere and a right circular cylinder of the same radius have equal volumes. By what percentage does the diameter of the cylinder exceeds its height?
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 9>Chapter 13 - Surface Areas and Volumes>Exercise>Q 8
30 circular plates, each of radius 14 cm and thickness 3 cm are placed one above the another to form a cylindrical solid. Find
(i) the total surface area.
(ii) volume of the cylinder so formed.