Volume and Surface Area Questions Practice Question and Answer
8 Q: The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
692 05ffc32b923210f22f330340a
5ffc32b923210f22f330340a- 13 : 7false
- 27 : 3true
- 36 : 7false
- 47 : 6false
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Answer : 2. "7 : 3"
Q: The diagonal of a square is 14 cm. What will be the length of the diagonal of the square whose area is double of the area of first square?
691 0609cd2dc4587a93a1dcdd83c
609cd2dc4587a93a1dcdd83c- 1$$ {28\sqrt{2}{\ cm}}$$false
- 2$$ {14\sqrt{2}{\ cm}}$$true
- 328false
- 4$$ {21\sqrt{2}{\ cm}}$$false
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Answer : 2. "$$ {14\sqrt{2}{\ cm}}$$"
Q: The radius of a cone is 20 cm and height is 21 cm, the total surface area of the cone is in square cm:
679 05f1e650526299776aa406ba6
5f1e650526299776aa406ba6- 13080true
- 23160false
- 32920false
- 43240false
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Answer : 1. "3080"
Explanation :
$$ {πr^2+πrl}$$
Q: In a circle, difference between the circumference and radius is 37 cm. Find the area (in cm²) of the circle?
675 06019075765f04759038196e1
6019075765f04759038196e1- 1616false
- 2154true
- 3308false
- 477false
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Answer : 2. "154 "
Q: What is the area ( in cm2 ) of the circumcircle of a triangle whose sides are 6 cm , 8 cm and 10 cm respectively ?
669 060093c3d70bfa73e5e1df2de
60093c3d70bfa73e5e1df2de- 1$$ {275\over 7}$$false
- 2$$ {2200\over 7}$$false
- 3$$ {550\over 7}$$true
- 4$$ {1100\over 7}$$false
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Answer : 3. "$$ {550\over 7}$$"
Q: A right circular cone of largest volume is cut out from a solid wooden hemisphere. The remaining material is what percentage of the volume of the original hemisphere?
667 06051c634a01bc44789a9b503
6051c634a01bc44789a9b503- 150 %true
- 2$$ {33{1\over3}}{ \%}$$false
- 375 %false
- 4$$ {66{2\over3}}{ \%}$$false
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Answer : 1. "50 %"
Q: The curved surface area of cylindrical pillar is $$ {264 m^{2}}$$ and its volume is $$ {924 m^{3}}$$. Find the ratio of its diameter to its height.
595 063d0da736071cf76fc19e78a
63d0da736071cf76fc19e78a- 13 : 7false
- 27 : 3true
- 36 : 7false
- 47 : 6false
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Answer : 2. "7 : 3"
Q: The diameter of a circle is equal to the perimeter of a square whose area is 3136 sq cm. What is the circumference of the circle?
594 063d0db186071cf76fc19e94e
63d0db186071cf76fc19e94e- 1352 cmfalse
- 2704 cmtrue
- 3394 cmfalse
- 4None of thesefalse
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