Volume and Surface Area Practice Question and Answer
8 Q: A regular hexagon has a side of 4 cm. Find its area. (in sq. cm)
1231 0609528c61a490e0a05cde328
609528c61a490e0a05cde328- 1$$ {24\sqrt{3}}$$true
- 2$$ {18\sqrt{3}}$$false
- 3$$ {36\sqrt{3}}$$false
- 4None of thesefalse
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Answer : 1. "$$ {24\sqrt{3}}$$"
Q: Two cones have their heights in the ratio 1:3 and the radii of their bases in the ratio 3:1. Find the ratio of their volumes?
1227 05ecf3a9b79d67a247e487706
5ecf3a9b79d67a247e487706- 13:1true
- 22:1false
- 34:1false
- 45:1false
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Answer : 1. "3:1"
Q: One side of the rectangular ground is 8m and its diagonal is 17m. Find the area of the ground?
1225 05ee9a728bc81cb2528ec0497
5ee9a728bc81cb2528ec0497- 1150 m²false
- 2140 m²false
- 3130 m²false
- 4120 m²true
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Answer : 4. "120 m²"
Q: 50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is $$ {4 m^{3}}$$ , then the rise in the water level in the tank will be:
1223 05ffc324723210f22f330326c
5ffc324723210f22f330326c- 120 cmfalse
- 250 cmfalse
- 335 cmfalse
- 425 cmtrue
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Answer : 4. "25 cm"
Q: The lengths of the parallel sides of a trapezium are 51 cm and 21 cm, and that of each of the other two sides is 39 cm. what is the area ( in cm2) of the trapezium?
1220 0605324a74999e13f2a6d1e1b
605324a74999e13f2a6d1e1b- 11206false
- 21152false
- 31260false
- 41296true
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Answer : 4. "1296"
Q: The length, breadth and height of a room is 21 metres, 12 metres and 16 metres. What will be the length of the largest rod that can be placed in that room?
1216 0610c66037588510aa0d4d2f3
610c66037588510aa0d4d2f3- 132 metresfalse
- 225 metresfalse
- 331 metresfalse
- 429 metrestrue
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Answer : 4. "29 metres"
Q: The ratio of the volume of right circular cylinder and a right circular cone of the same base and height will be:
1212 05efeb1ddeb90be58c5960aa0
5efeb1ddeb90be58c5960aa0- 11:3false
- 22:3false
- 33:2false
- 43:1true
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Answer : 4. "3:1"
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 -
1211 0609a6719f738a51c29ae2b02
609a6719f738a51c29ae2b02- 17 cm.true
- 217 cm.false
- 39 cm.false
- 423 cm.false
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