Volume and Surface Area Practice Question and Answer
8 Q: If the area of a triangle is 616 square cm, then its perimeter will be-
845 05f97fb0cd433054b5c8adf3f
5f97fb0cd433054b5c8adf3f- 188 cmtrue
- 244 cmfalse
- 3132 cmfalse
- 4161 cmfalse
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Answer : 1. "88 cm "
Q: If a side of a square is a, then what will be the area of the square on its diagonal?
845 05fa91dbc4e71ba46b02a721f
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: What is the area of a rectangle , if its diagonal s 61 cm and one of its sides is 11 cm ?
841 05ed9d016f528050f914ffaa6
5ed9d016f528050f914ffaa6- 1$$ 660cm^2$$true
- 2$$ 720cm^2$$false
- 3$$ 616cm^2$$false
- 4$$ 633cm^2$$false
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Answer : 1. "$$ 660cm^2$$"
Q: A conical vessel of radius 6 cm and height 8 cm. is completely filled with water. A sphere is lowered into the water and its size is such that when it touches the sides, it is just immersed. The fraction of water that overflows is?
835 0600a99b71187ab38691ebf0a
600a99b71187ab38691ebf0a- 1$$ {1\over 4}$$false
- 2$$ {1\over 2}$$false
- 3$$ {3\over 8}$$true
- 4$$ {5\over 8}$$false
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Answer : 3. "$$ {3\over 8}$$"
Q: The total surface area of a cube is 864 square cm. What will be its volume?
833 05fa919244e71ba46b02a592b
5fa919244e71ba46b02a592b- 1216false
- 21728true
- 3729false
- 4512false
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Answer : 2. "1728"
Q: If the height of a perpendicular cylinder is 10 cm and its curved surface area is 440 square cm, what is its radius?
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5fa91c2d5ebf3a6442752d8e- 117.5 cmfalse
- 210.5 cmfalse
- 314 cmfalse
- 47 cmtrue
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Answer : 4. "7 cm"
Q: If the areas of circular ring having inner and outer radius 8 cm and 12 cm respectively is equal to the total surface area of cylinder of radius R1 and height h, then h in terms of R1 will be :
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60b6101727bd974fe7f5d7a5- 1$$ {40-R_1\over {R_1}}$$false
- 2$$ {40-R_1\over {R_1^{2}}}$$false
- 3$$ {40-R_1^{2}}\over R_1$$true
- 4None of thesefalse
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Answer : 3. "$$ {40-R_1^{2}}\over R_1$$"
Q: A square and an equilateral triangle are of the same perimeter. If the diagonal of the square is $$ {12\sqrt{2}}$$ cm long, then the area of the triangle is.
826 05f76e9c74637db73284ad4d5
5f76e9c74637db73284ad4d5- 1$$ {32\sqrt{3}}$$false
- 2$$ {64\sqrt{3}}$$true
- 3$$ {64\sqrt{2}}$$false
- 4$$ {48\sqrt{3}}$$false
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