Volume and Surface Area Practice Question and Answer
8 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: 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:
991 060bf5d44c40f0c12f4b8e7c1
60bf5d44c40f0c12f4b8e7c1- 134 kgfalse
- 244 kgtrue
- 314 kgfalse
- 424 kgfalse
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Answer : 2. "44 kg"
Q: If a side of a square is a, then what will be the area of the square on its diagonal?
990 05fa91dbc4e71ba46b02a721f
5fa91dbc4e71ba46b02a721f- 1false
- 2true
- 3false
- 4false
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Answer : 2. " "
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) ?
989 05f9a9e2035c9ba56e4d236d9
5f9a9e2035c9ba56e4d236d9- 161600false
- 292400false
- 3123200true
- 4184800false
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Answer : 3. "123200"
Q: The total surface area of a cube is 864 square cm. What will be its volume?
984 05fa919244e71ba46b02a592b
5fa919244e71ba46b02a592b- 1216false
- 21728true
- 3729false
- 4512false
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Answer : 2. "1728"
Q: The curved surface area of a cylindrical pillar is and its volume is . Find the ratio of its diameter to its height.
984 05fd34d9cc46a213fc5c57945
5fd34d9cc46a213fc5c57945- 13 : 7false
- 27 : 3true
- 36 : 7false
- 47 : 6false
- 55 : 4false
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Answer : 2. "7 : 3"
Q: The perimeter of a rectangle and equilateral triangle is equal. One side of the rectangle is also equal to the side of the triangle. Find the ratio of the areas of the rectangle and triangle?
979 05f4df4075e74bc4ee553f5cd
5f4df4075e74bc4ee553f5cd- 1false
- 2false
- 3true
- 4false
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Answer : 3. " "
Q: The ratio of Volume of two spheres A and B is 8 : 1. The Surface Area of Sphere B is 616 cm2. Find the radius of sphere A.
978 05feeeb346a1a496de8dda0da
5feeeb346a1a496de8dda0da- 114 cmtrue
- 216 cmfalse
- 310 cmfalse
- 412 cmfalse
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