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March 31, 2015
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Mensuration -3D
/ Mensuration 3D Quiz 2
Mensuration 3D Quiz 2
1. The radius and depth of a square well is 5 m and 21 m respectively.what is the volume of the earth dug out?
A. 312 m^3
B. 412 m^3
C. 672 m^3
D. 912 m^3
2. The radius and height of a cylinder is 50 cm and 100 cm.What is the ratio of total surface area to lateral surface area of a cylinder?
A. 3:2
B. 5:6
C. 4:3
D. 2:1
3. If the radius of the base of a right circular cylinder is halved,keeping the height same, what is the ratio of the volume of the reduced cylinder to that of the original one?
A. 3:2
B. 1:5
C. 5:6
D. 1:4
4. The radius of the cylinder piece of a metal is 2 cm and height is 6 cm is shaped into a cone of same radius.The height of the cone is
A. 15 cm
B. 16 cm
C. 18 cm
D. 20 cm
5. A cone and a sphere is having Equal radius and volume.The ratio of the diameters of the sphere to the height of the cone is
A. 1:2
B. 2:3
C. 3:4
D. 3:2
6. How many bricks,each measuring 10 cm x 25 cm x 50 cm, will be needed to build a wall 10m x 6m x 1m?
A. 1000
B. 2000
C. 4000
D. 4800
7. If the radius of the sphere is 5 cm .Find the Surface area of the sphere ?
A. 345.67 cm^2
B. 432.90 cm^2
C. 314.28 cm^2
D. 456.78 cm^2
8. The radius of the iron sphere is 5 cm is drawn into a wire of diameter 6mm.find the length of the wire?
A. 12.5 m
B. 55.5 m
C. 13.7 m
D.45.6 m
9. The curved surface of a right circular cone of height 12 cm and radius is 5 cm is:
A. 204.1 cm^2
B. 304.2 cm^2
C. 212.7 cm^2
D. 643.7 cm^2
10. A cone and hemisphere have equal base and height.What is the ratio of their curved surfaces will be:
A. 2:1
B. 3:2
C. √2:1
D. √3:1
11. The amount concrete to required to build a concrete cylindrical pillar whose base has a perimeter 8.8 m and whose curved surface area is 17.6 sq.m is
A. 12.32 m^3
B. 13.43 m^3
C. 14.56 m^3
D. 9.724 m^3
12. The vertical height and volume of a right circular cone is 24 cm and 1232 cm^3 ,Then the area of the curved surface is
A. 150 cm^2
B. 450 cm^2
C. 165 cm ^2
D. 550 cm ^2
13. The dimensions of cube are 12m x 10m x 7 m ,then what is the volume of the cube is
A. 540 m^3
B. 640 m^3
C. 840 m^3
D. 440 m^3
14. The volume of the sphere that can be cut off from a cylindrical log of wood of base radius 3 cm and height is 5 cm is
A. 100 cm^3
B. 120 cm^3
C. 104 cm^3
D. 113.04 cm^3
15. A solid sphere of radius of 6 cm is lowered into the water until it is completely immersed into a cylindrical vessel of radius 3 cm contains water.The water level in the cylinder raised by
A. 12/7 cm
B. 16/3 cm
C. 13/5 cm
D. 15/7 cm
Related posts:
Mensuration – 2D Quiz 1
Mensuration 3D Quiz -1
Filed Under:
Mensuration -3D