Volume and Surface Area Practice Question and Answer
8 Q: The diameter of a wheel is 14 cm. How many rotations will it take to cover a distance of 44 kilometres?
2264 05f76eadb6cd8be7b4dbab83c
5f76eadb6cd8be7b4dbab83c- 144,000false
- 288,000false
- 370,000false
- 4100000true
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Answer : 4. "100000"
Q: The volume of a sphere and an elliptical cylinder are the same. The radius of the sphere and cylinder are 21 cm and 14 cm respectively. What is the height of the cylinder?
2206 05e3256211f73627362281733
5e3256211f73627362281733- 163 cmtrue
- 256 cmfalse
- 342 cmfalse
- 449 cmfalse
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Answer : 1. "63 cm"
Q: If a cube whose side is 7.5 cm, what will be its volume?
2195 05f645196a372fb53671224cc
5f645196a372fb53671224cc- 1$$ {421.875\ cm^{3}}$$true
- 2$$ {759.375\ cm^{3}}$$false
- 3$$ {631.810\ cm^{3}}$$false
- 4$$ {210.94\ cm^{3}}$$false
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Answer : 1. "$$ {421.875\ cm^{3}}$$ "
Q: The radius of a semicircle is 35 cm, find its area and perimeter.
2182 05fe1bb09ce32c8585c738675
5fe1bb09ce32c8585c738675- 11040 sq.cm and 140 cmfalse
- 21925 sq.cm and 180 cmtrue
- 31890 sq.cm and 90 cmfalse
- 41730 sq.cm and 90 cm/false
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Answer : 2. "1925 sq.cm and 180 cm "
Q: A wire of length 60 m is used to enclose a field which is in the shape of a right - angled triangle. The area of the field is 150 m2 then, the largest side of the field has a length of:
2162 0600a8dbbbaeda263c3c88998
600a8dbbbaeda263c3c88998- 130 meterfalse
- 220 meterfalse
- 325 metertrue
- 415 meterfalse
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Answer : 3. "25 meter"
Q: If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?
2160 05f892f0de6aa3e1d0bd22e80
5f892f0de6aa3e1d0bd22e80- 18:1false
- 227:64false
- 364:1true
- 464:27false
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Answer : 3. "64:1"
Q: The perimeter of a square and an equilateral triangle is the same if the length of the diagonal of the square is $$ {12 \ sqrt {2}} $$ cm. If, what will be the area of the triangle?
2147 05f8043de88aba328edafaf6a
5f8043de88aba328edafaf6a- 1$$ {64\sqrt{3}}$$ sq.cmtrue
- 2$$ {32\sqrt{3}}$$ sq.cmfalse
- 3$$ {24\sqrt{3}}$$ sq.cmfalse
- 4$$ {28\sqrt{3}}$$ sq.cmfalse
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Answer : 1. "$$ {64\sqrt{3}}$$ sq.cm"
Q: The ratio of the radii of two wheels is 3: 4, then the ratio of their circumferences will be.
2130 05f97fe6cf6ce7f2367fe6e29
5f97fe6cf6ce7f2367fe6e29- 12 : 3false
- 24 : 3false
- 33 : 4true
- 43 : 5false
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