MEDIUM
9th CBSE
IMPORTANT
Earn 100

A cloth having an area of 165 m2 is shaped into the form of a conical tent of radius 5 m. Find the volume of the cone.

Important Questions on Surface Areas and Volumes

MEDIUM
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exam Practice>Q 49
To maintain beauty of a monument, the students of the school cleaned and painted the dome of the monument. The monument is in the form of a hemisphere. From inside, it was white washed by the students whose area is 249.48 m2,  Find the volume of the air inside the dome.
MEDIUM
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exam Practice>Q 49
To maintain beauty of a monument, the students of the school cleaned and painted the dome of the monument. The monument is in the form of a hemisphere. From inside, it was white washed by the students whose area is 249.48 m2, find the volume of the air inside the dome, if white washing costs ₹2 per m2, how much does it costs?
EASY
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exam Practice>Q 50
A sector of a circle of radius 9 cm and central angle of 120°. It is rolled up so that the two bounding radii are joined together to form a cone.

Question Image   

the slant height of the cone.

MEDIUM
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exam Practice>Q 50
A sector of a circle of radius 9 cm and central angle of 120°. It is rolled up so that the two bounding radii are joined together to form a cone.

Question Image   

the radius of the base of the cone.

MEDIUM
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exam Practice>Q 50
A sector of a circle of radius 9 cm and central angle of 120°. It is rolled up so that the two bounding radii are joined together to form a cone.

Question Image   

the volume of the cone.

MEDIUM
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Exam Practice>Q 50
A sector of a circle of radius 9 cm and central angle of 120°. It is rolled up so that the two bounding radii are joined together to form a cone.

Question Image   

the total surface area of the cone.

EASY
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Challengers*>Q 1
A hemispherical bowl is 176 cm and round the brim. Supposing it to be half-filled, then how many persons may be served frotn it in hemi-spherical glasses 4 cm in diameter at the top?
MEDIUM
9th CBSE
IMPORTANT
All in One Mathematics>Chapter 11 - Surface Areas and Volumes>Challengers*>Q 2
The sum of the radii of two spheres is 10 cm and the sum of their volumes is 880 cm3. Then what will be the product of their radil?