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Class IX Mathematics Quiz: Surface Areas and Volumes

Class IX
Mathematics
Surface Areas and Volumes
12 questions
HARD

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Preview questions

1. What is the formula for the surface area of a sphere?

4πr² · 2πr² · πr² · 6πr²

2. The volume of a cylinder is given by which formula?

πr²h · 2πrh · πr² + 2πrh · πr²h/3

3. What is the surface area of a cube with side length 'a'?

6a² · 12a · 3a² · 4a²

4. The volume of a cone is calculated using which formula?

1/3πr²h · 2/3πr²h · πr²h · πr²h/2

5. If the radius of a hemisphere is 'r', what is its curved surface area?

2πr² · 3πr² · 4πr² · πr²