Volume and Surface Area Questions 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?
1135 05fa91c2d5ebf3a6442752d8e
5fa91c2d5ebf3a6442752d8e- 117.5 cmfalse
- 210.5 cmfalse
- 314 cmfalse
- 47 cmtrue
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Answer : 4. "7 cm"
Q: If a side of a square is a, then what will be the area of the square on its diagonal?
1131 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: A circular park whose diameter is 210 m has a 5 m wide path running around it(on the outside). What is the area ( in m2) of the path?
1131 05fbe70c9aa47db563875b7ae
5fbe70c9aa47db563875b7ae- 11020 πfalse
- 21075 πtrue
- 31050 πfalse
- 41100 πfalse
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Answer : 2. "1075 π"
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.
1129 05feeeb346a1a496de8dda0da
5feeeb346a1a496de8dda0da- 114 cmtrue
- 216 cmfalse
- 310 cmfalse
- 412 cmfalse
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Answer : 1. "14 cm "
Q: If the curved surface area of a right circular cone is 10010 sq cm and its slant height is 91 cm, find its total surface area.
1126 05feee2ae1f464d740159ed76
5feee2ae1f464d740159ed76- 127720 sq cmfalse
- 24620 sq cmfalse
- 36930 sq cmfalse
- 413860 sq cmtrue
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Answer : 4. "13860 sq cm"
Q: A spherical ball of lead 3 cm in diameter is melted and recast into three spherical balls The diameter of two of these are 1.5 cm and 2 cm respectively. The diameter of the third ball is
1126 060113124af82aa3010a223e5
60113124af82aa3010a223e5- 11.4 cmfalse
- 21.8 cmfalse
- 32.1 cmfalse
- 42.5 cmtrue
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Answer : 4. "2.5 cm"
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?
1121 05f76ca5853f6013e85c00da2
5f76ca5853f6013e85c00da2- 1221false
- 2300true
- 3320false
- 4None of thesefalse
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Answer : 2. "300"
Q: What will be the area (cm2) of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?
1117 05f6d79f8f9079a64e3be1fc4
5f6d79f8f9079a64e3be1fc4- 120 πfalse
- 280 πtrue
- 3160 πfalse
- 440 πfalse
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