Volume and Surface Area Questions Practice Question and Answer
8 Q: What will be the area (cm2) of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?
776 05f6d79f8f9079a64e3be1fc4
5f6d79f8f9079a64e3be1fc4- 120 πfalse
- 280 πtrue
- 3160 πfalse
- 440 πfalse
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Answer : 2. "80 π"
Q: The slant height of a right circular cone is 15 m and its height is 9 m. The area of its curved surface, is:
771 060c09b7f3a55aa3a4ad09e08
60c09b7f3a55aa3a4ad09e08- 1169 π m2false
- 2172 π m2false
- 3165 π m2false
- 4180 π m2true
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Answer : 4. "180 π m2"
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: 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: The volume of a solid right circular cylinder is 5236 cm3, and its height is 34 cm. What is its curved surface area (in cm2)?
769 06051cb6aa37d522d6c1528d1
6051cb6aa37d522d6c1528d1- 11496true
- 21573false
- 31650false
- 41804false
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Answer : 1. "1496"
Q: Find the area of a white sheet required to prepare a cone with a height of 21cm and the radius of 20cm.
768 05ee9a0a9109b5d6e01625396
5ee9a0a9109b5d6e01625396- 1$$ {3080}cm^2$$true
- 2$$ {2300}cm^2$$false
- 3$$ {3460}cm^2$$false
- 4$$ {3600}cm^2$$false
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Answer : 1. "$$ {3080}cm^2$$"
Q: The volume of a solid right circular cone is 600 π cm3, and the diameter of its base is 30 cm. The total surface area (in cm2) of the cone is:
764 05fc0dcbe96415e6951a97db2
5fc0dcbe96415e6951a97db2- 1480 πtrue
- 2255 πfalse
- 3472 πfalse
- 4496 πfalse
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Answer : 1. "480 π"
Q: In a circle of radius 17 cm, two parallel chords of lengths 30 cm. and 16 cm are drawn. If both the chords are on the same side of the center, then the distance between the chords is -
764 0609a6719f738a51c29ae2b02
609a6719f738a51c29ae2b02- 17 cm.true
- 217 cm.false
- 39 cm.false
- 423 cm.false
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