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Mathematics
9th
grade
Volume of a Right Circular Cone | Surface Areas and Volumes | Assessment | English | Grade 9
7 questions
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- 1. Multiple Choice
The formula of volume of a cone is ______
1/2x𝜋r²h
1/3x𝜋rh³
1/3 x 𝜋r²h
1/3x𝜋r³h
- 2. Multiple Choice
The volume of a cone having diameter 4 cm and height 6 cm is ___cm³.
8𝜋 cm³
6𝜋 cm³
7𝜋 cm³
9𝜋 cm³
- 3. Multiple Choice
Find the volume of the right circular cone with radius 7 cm and height 9 cm.(Take 𝜋 = 22/7)
465cm³
462 cm³
475 cm³
445 cm³
- 4. Multiple Choice
Find the volume of the given right circular cone. (Take 𝜋 = 22/7)
117.2 cm³
334.3 cm³
240.5 cm³
277.2 cm³
- 5. Multiple Choice
Find the volume of the right circular cone with height 24 cm and slant height 25 cm.(Take 𝜋 = 22/7)
1150 cm³
1232 cm³
1434 cm³
1565 cm³
- 6. Multiple Choice
Rahul is wearing a birthday cap as shown in the figure. If its volume is 770 cm³, then find the radius of its base.
7.5 cm
8 cm
7 cm
9 cm
- 7. Multiple Choice
A group of tribes built conical toys as shown in the figure. It has a height of 3 m and a base diameter of 10 m. Find the approximate volume of the three toys. (Take 𝜋 = 22/7)
320.10 m³
265.45 m³
410.15 m³
235.71 m³
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