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QUIZ

9th
-
10th
grade

Mathematics

57%

accuracy

944

plays

User image

Makanadar Habeebpasha

4 years

Mathematics

9th -

10thgrade

Surface Areas and Volumes

user

Makanadar Habeebpasha

944
plays

15 questions

15 questions

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1. Multiple Choice
30 seconds
1 pt
For a sphere of radius r, curved surface area of the hemisphere
$2\pi r^2$
$3\pi r^2$
$4\pi r^2$
$\pi r^2$
2. Multiple Choice
30 seconds
1 pt
Consider a hollow cylinder having external radius R, internal radius r and height h. Volume of the material
$\pi r^2h$
$\pi\left(R^2-r^2\right)h$
$\pi\left(R-r\right)^2h$
$\pi\left(h^2-r^2\right)R$
3. Multiple Choice
30 seconds
1 pt
A cone is cut through a plane Parallel to it's base and then the cone is formed on one side of that plane is removed. The new part that is left over on the other side of the plane is called
Frustum of sphere
Frustum of cone
Frustum of pyramid
Frustum of cylinder
4. Multiple Choice
30 seconds
1 pt
Area of each end in right circular hollow cylinder
$\pi\left(R^2-r^2\right)$
$2\pi\left(R^2-r^2\right)$
$\pi r^2$
$2\pi r^2$
5. Multiple Choice
30 seconds
1 pt
A surahi is the combination of
a sphere and a cylinder
a hemisphere and a cylinder
a hemisphere and a cone
a cylinder and a cone
6. Multiple Choice
30 seconds
1 pt
A ................ is a solid or a hollow object that has a circular base and a circular top of the same size
Cylinder
Cone
Sphere
Hemisphere
7. Multiple Choice
30 seconds
1 pt
What is the formulae for volume of the frustum of the cone?
$\pi\left(r_1+r_2\right)l$
$\frac{1}{3}\pi h\left(r_1^2+r_2^2+r_1r_2\right)$
$\frac{1}{3}\pi l\left(r_1^2+r_2^2+r_1r_2\right)$
$\pi h\left(r_1^2+r_2^2+r_1r_2\right)$
8. Multiple Choice
30 seconds
1 pt
The radius of a wheel is 0.25m. The number of revolutions it will make to travel a distance of 11km is
6500
7000
6050
7500
9. Multiple Choice
30 seconds
1 pt
In a right circular cone, the cross section made by a plane parallel to the base is a ?
circle
frustum of cone
sphere
hemisphere
10. Multiple Choice
30 seconds
1 pt
What is the formulae for curved surface area of the frustum of the cone?
$\pi\left(r_1+r_2\right)l$
$\frac{1}{3}\pi h\left(r_1^2+r_2^2+r_1r_2\right)$
$\frac{1}{3}\pi l\left(r_1^2+r_2^2+r_1r_2\right)$
$\pi\left(r_1+r_2\right)h$
11. Multiple Choice
30 seconds
1 pt
For a cube having each edge 'a' units, lateral surface area is
$6a^2$
$4a^2$
$a^3$
$4a$
12. Multiple Choice
30 seconds
1 pt
A cylinder and a cone are of same base radius and height. The ratio of the volume of the cylinder to that of the cone is
3:1
1:1
1:3
2:3
13. Multiple Choice
30 seconds
1 pt
For a cuboid of length 'l' breadth 'b' and height 'h' lateral surface area is
$2(l+b)\times h$
$(l+b)\times h$
$lb+bh+hl$
$2\left(lb+bh+hl\right)$
14. Multiple Choice
30 seconds
1 pt
If curved surface area of cylinder is equal to its volume then radius of cylinder equals........
6
4
2
1
15. Multiple Choice
30 seconds
1 pt
A solid sphere of radius 'r' is melted and recast into the sphere of a solid cone of height 'r'. The radius of the base of the cone is
r
3r
4r
2r
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