Volume and Surface Area Practice Question and Answer
8 Q: The ratio between the volume (cm3) of a cylinder and the curved surface area (cm2) is numerically 14: 1. If the height of the cylinder is 50 cm, what is the volume of the cylinder (cm3) ?
826 05f9a9e2035c9ba56e4d236d9
5f9a9e2035c9ba56e4d236d9- 161600false
- 292400false
- 3123200true
- 4184800false
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Answer : 3. "123200"
Q: The edges of a cuboid are in the ratio 1 : 2: 3 and its surface area is 88 sq.cm. The volume of the cuboid is:
817 05feee46344b8e672b6542e8b
5feee46344b8e672b6542e8b- 124false
- 248true
- 364false
- 4120false
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Answer : 2. "48"
Q: The curved surface area of a cylindrical pillar is $$ {264 m^{2}}$$ and its volume is $$ {924 m^{3}}$$. Find the ratio of its diameter to its height.
816 05fd34d9cc46a213fc5c57945
5fd34d9cc46a213fc5c57945- 13 : 7false
- 27 : 3true
- 36 : 7false
- 47 : 6false
- 55 : 4false
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Answer : 2. "7 : 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?
815 05ecf3a9b79d67a247e487706
5ecf3a9b79d67a247e487706- 13:1true
- 22:1false
- 34:1false
- 45:1false
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Answer : 1. "3:1"
Q: A hollow copper pipe is 22 cm long and its external diameter is 28 cm. If the thickness of the pipe is 3 cm and iron weighs 8.5 g/cm3 , then the weight of the pipe is closest to:
813 060bf5d44c40f0c12f4b8e7c1
60bf5d44c40f0c12f4b8e7c1- 134 kgfalse
- 244 kgtrue
- 314 kgfalse
- 424 kgfalse
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Answer : 2. "44 kg"
Q: What is the total CSA of cone whose radius is 3 cm and height is 4 cm?
811 05e9d2b8b772f97276f50ca91
5e9d2b8b772f97276f50ca91- 1$$ { 24 π cm^2}$$true
- 2$$ { 25 π cm^2}$$false
- 3$$ { 28 π cm^2}$$false
- 4$$ { 20 π cm^2}$$false
- 5None of thesefalse
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Answer : 1. "$$ { 24 π cm^2}$$"
Q: A right triangle with sides 5 cm, 12 cm and 13 cm is rotated about the side 12 cm to from a cone. The volume of the cone so formed is :
810 060c08c42e3298a2dec40d26d
60c08c42e3298a2dec40d26d- 1$$ {81 π \ cm^{3}}$$false
- 2$$ {100 π \ cm^{3}}$$true
- 3$$ {91 π \ cm^{3}}$$false
- 4$$ {110 π \ cm^{3}}$$false
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Answer : 2. "$$ {100 π \ cm^{3}}$$"
Q: The length, width and height of a cuboid are 18 cm, 24 cm, and 4 cm, respectively. The volume of the cube is equal to the volume of the given cuboid. The arm of the cube is:
808 05f1e6b911b4d8003eeb0374e
5f1e6b911b4d8003eeb0374e- 116 cmfalse
- 212 cmtrue
- 39 cmfalse
- 48 cmfalse
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