Volume and Surface Area Questions Practice Question and Answer
8 Q: Base of a right pyramid is a square. The length of diagonal of the base is $$ {12\sqrt{2}}$$ cm. If each lateral surface of the pyramid is an equilateral triangle, then its volume (in cu.cm) is
1593 060055250f5c84e7440611306
60055250f5c84e7440611306- 1$$ {288\sqrt{3}}$$true
- 2$$ {208\sqrt{2}}$$false
- 3$$ {288\sqrt{2}}$$false
- 4288false
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Answer : 1. "$$ {288\sqrt{3}}$$"
Q: The measure of a cuboid warehouse is (8 m x 6 m x 3 m). If each sack covers 0.48 cubic meters of space, how many maximum sacks can be kept in it?
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5f76ca5853f6013e85c00da2- 1221false
- 2300true
- 3320false
- 4None of thesefalse
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Answer : 2. "300"
Q: From a circle of radius a, a sector, which subtend an angle π/5 at the centre has been cut off. The perimeter of the remaining part of the circle is
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5f8016aa0a69ab3becc7d2bf- 12πafalse
- 2$$ {π\over 5}{a}$$false
- 3$$ {7π\over 5}{a}$$false
- 4$$ {9π\over 5}{a}$$true
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Answer : 4. "$$ {9π\over 5}{a}$$"
Q: In the figure given below, AD bisects ∠BAC. If the area of ΔABD=40 cm2 and AC=3AB, then the area of ΔABC:
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5f59ce72b772fe2f8b222a04- 1$$ {150 \ cm^{2}}$$false
- 2$$ {100 \ cm^{2}}$$false
- 3$$ {120 \ cm^{2}}$$true
- 4$$ {160 \ cm^{2}}$$false
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Answer : 3. "$$ {120 \ cm^{2}}$$"
Q: A cylindrical container is filled with ice cream. Its diameter is 12 cm. and height is 15 cm. The whole ice cream is distributed among 10 children in equal cones having hemispherical tops. If the height of the conical portion is twice the diameter of its base, the diameter of the ice - cream cone is –
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600a9a3dbaeda263c3c8f1e8- 18 cmfalse
- 25 cmfalse
- 37 cmfalse
- 46 cmtrue
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Answer : 4. "6 cm "
Q: If a side of a square is a, then what will be the area of the square on its diagonal?
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5fa91dbc4e71ba46b02a721f- 1$$ {\sqrt{2}a^{2}}$$false
- 2$$ {{2}a^{2}}$$true
- 3$$ {{5}a^{2}}$$false
- 4$$ {a^{2}}$$false
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Answer : 2. "$$ {{2}a^{2}}$$"
Q: One side of the rectangular ground is 8m and its diagonal is 17m. Find the area of the ground?
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5ee9a728bc81cb2528ec0497- 1150 m²false
- 2140 m²false
- 3130 m²false
- 4120 m²true
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Answer : 4. "120 m²"
Q: If the perimeter of a circular plot is equal to the perimeter of a square plot, what will be the ratio of their areas?
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5f97f1d5d433054b5c8a7d4a- 112:11false
- 214:11true
- 36:11false
- 47:11false
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