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Class 9 Mathematics: Surface Areas and Volumes
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MCQs on surface areas and volumes, surface areas of cube, cuboid and sphere, surface areas of right circular cylinder and cone, cuboid and cylinder volumes, volumes of right circular cone and sphere.

Class 9 Mathematics: Surface Areas and Volumes
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25 Questions

1. Volume of a right circular cone of radius r and height h is given by __________
2. A roller has diameter of 0.7m and length of 1m. It is used to roll over the cricket pitch. The surface area of the cricket pitch is equal to 60m2. How much revolution will roller make to move once over the pitch? (Take π = 227)
3. Curved surface area of a cylinder having base radius 'r' and height 'h' is equal to __________
4. Curved surface area of hemisphere of radius “r” is equal to __________
5. A glass of cylindrical shape has radius of 3.5cm and height equal to 8cm. A water jug has a volume equal to 1540cm3. How many times the water has to be poured from glass to fill the jug completely? (Take π = \(\frac{22}{7}\))
6. Ratio of volume of a cone to the volume of a cylinder for same base radius and same height is __________
7. Volume of a hemisphere of radius r is equal to __________
8. A man has built a cubical water tank in his house. All sides of it are equal to 1.8m. All sides except the base are to be covered by tiles having equal sides of 30cm. How much money will he spend on tiles if cost of tiles is ₹400/dozen?
9. A water is flowing through the tap at the rate of 50 cm3/s. What is the time requires to fill the container of dimensions 20cm * 10cm * 10cm?
10. A cylinder has a base area equal to 21cm2 and height equal to 11cm. What is the volume of the cylinder? (Take π = \(\frac{22}{7}\))
11. Total surface are of a hemisphere of radius “r” is equal to __________
12. In the figure given below, the cone is right circular cone.
maths-questions-answers-surface-area-right-circular-cone-q1
13. The curved surface area of a cone is 1980 cm2 and its radius is 21cm, what is the slanted height of a cone? (Take π = 227)
14. Volume of a cuboid of length l, breadth b and height h is given by __________
15. A cylinder has radius of 7cm and its volume is 1540cm3, what is the height of the cylinder? (Take π = \(\frac{22}{7}\))
16. A steel pipe has outer radius equal to 3cm and inner radius equal to 2cm. Its length is equal to 5m. What is the mass of the pipe if one cm3 of steel is 8.05 gram? (Take π = \(\frac{22}{7}\))
17. Surface area of a sphere of radius “r” is given by __________
18. A tent of conical shape of base radius 28m and slanted height 20m is to be made from a certain material. What is the total cost of clothing material if the rate of material is ₹80/m2? (Take π = 227)
19. Volume of a sphere of radius r is equal to __________
20. The total surface area of a cone of base radius “r” and slanted height “l” is equal to __________
21. What is the cost of digging a pit of cuboidal shape dimensions of which are 5m * 6m * 3m at the rate of ₹35/m3?
22. A wall of dimensions 3m * 12cm * 7m is to be made by using bricks of dimesions 25cm * 12cm * 10cm. How much bricks are required to construct the wall?
23. Total surface area of a cylinder having base radius “r” and height “h” is equal to __________
maths-questions-answers-surface-area-right-circular-cylinder-q2a
24. A box of dimensions 25cm * 30cm * 45cm is to be painted. A container which contains colour has a capacity to paint 1075cm2. How much containers are required to paint the box completely?
25. A cone has slanted height of 5cm and height of 4cm, its volume (in cm3) is __________

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