Volume and Surface Area Questions Practice Question and Answer
8 Q: An iron pipe 20 cm long has exterior diameter 25 cm. If the thickness of the pipe is 1 cm, then the whole surface area of the pipe?
891 05f59d091b772fe2f8b223a57
5f59d091b772fe2f8b223a57- 1$$ {3168\ cm^{2}}$$true
- 2$$ {3186\ cm^{2}}$$false
- 3$$ {3200\ cm^{2}}$$false
- 4$$ {3150\ cm^{2}}$$false
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Answer : 1. "$$ {3168\ cm^{2}}$$"
Q: How much parts of the pits, which are 48 meters long, 16.5 meters wide and 4 meters deep, can be filled in the soil, which is obtained by cylindrical tunnel of 4 meters diameter and 56 meters long?
769 05f4df6cd82369c1d6113def5
5f4df6cd82369c1d6113def5- 1$$ {1\over 9}$$false
- 2$$ {2\over 9}$$true
- 3$$ {7\over 9}$$false
- 4$$ {8\over 9}$$false
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Answer : 2. "$$ {2\over 9}$$"
Q: Two 6 cm diameter balls dipped in a 6 cm radius cylindrical vessel of water. Find the height of water in the vessel?
962 05f4df649ff09f8700a307c8b
5f4df649ff09f8700a307c8b- 11 cmfalse
- 22 cmtrue
- 33 cmfalse
- 44 cmfalse
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Answer : 2. " 2 cm"
Q: The perimeter of a rectangle and equilateral triangle is equal. One side of the rectangle is also equal to the side of the triangle. Find the ratio of the areas of the rectangle and triangle?
798 05f4df4075e74bc4ee553f5cd
5f4df4075e74bc4ee553f5cd- 1$$ {\sqrt{3}:1}$$false
- 2$$ {1 : \sqrt{3}}$$false
- 3$$ {2 : \sqrt{3}}$$true
- 4$$ {4 : \sqrt{3}}$$false
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Answer : 3. "$$ {2 : \sqrt{3}}$$"
Q: The bisector of ∠B in ΔABC meets AC at D. If AB=10 cm and BC=11 cm and AC=14 cm, then the length of AD is:
770 05f40dec554900c5349e9eb8f
5f40dec554900c5349e9eb8f- 1$$ {20\over3}$$true
- 222false
- 3$$ {22\over3}$$false
- 420false
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Answer : 1. "$$ {20\over3}$$"
Q: The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm3, then its lateral surface area ( in cm2) is:
800 05f40de68b8958f14fa2b49f9
5f40de68b8958f14fa2b49f9- 12556false
- 22448false
- 32520true
- 42484false
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Answer : 3. "2520"
Q: A field roller, in the shape of a cylinder, has a diameter of 1 meter and length of $$ {1}{1\over4}$$ meter. If the speed at which the roller rolls is 14 revolutions per minute, then the maximum area ( in m2) that it can roll in 1 hour is:
1000 05f40de25b8958f14fa2b44b4
5f40de25b8958f14fa2b44b4- 13600false
- 23560false
- 33960false
- 43300true
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Answer : 4. "3300"
Q: The area of the base of a right circular cone is 400π and its height is 15 cm. The curved surface of the cone ( in cm2) is:
920 05f40ddd354900c5349e9ce36
5f40ddd354900c5349e9ce36- 1560 πfalse
- 2500 πtrue
- 3450 πfalse
- 4480 πfalse
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