Volume and Surface Area Practice Question and Answer
8 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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Answer : 1. "14 cm "
Q:Directions: Bar graph given below shows pens sold by a retailor on five different days. Study the data carefully and answer the following questions.

Sum of volume of cylinder (S) and volume off cone (C) is 2190𝝅 cm² & height of both cylinder and cone is same i.e, 10 cm. If radius of cone is 15 cm then find the ratio of radius of S to radius of C?
977 0619f56c802f30f77f96539bd
619f56c802f30f77f96539bd
- 11 : 2false
- 23 : 4false
- 32 : 5false
- 44 : 5true
- 53 : 5false
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Answer : 4. "4 : 5"
Q: The vertices of the 1 cm side are cut from each corner of a square with a side of 4.5 cm. Find the circumference and area of the octagon formed?
977 05f87f977e6aa3e1d0bcbcc73
5f87f977e6aa3e1d0bcbcc73- 1false
- 2false
- 3true
- 416 cm and 16 sq.cmfalse
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Answer : 3. " "
Q: The slant height of a right circular cone is 15 m and its height is 9 m. The area of its curved surface, is:
974 060c09b7f3a55aa3a4ad09e08
60c09b7f3a55aa3a4ad09e08- 1169 π m2false
- 2172 π m2false
- 3165 π m2false
- 4180 π m2true
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Answer : 4. "180 π m2"
Q: The figure below is an equilateral triangle with sides of length 6. What is the area of the triangle?

974 05ffc2e4d23210f22f3302d24
5ffc2e4d23210f22f3302d24- 1true
- 216false
- 318false
- 4false
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Answer : 1. " "
Q: The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm3, then its lateral surface area ( in cm2) is:
965 05f40de68b8958f14fa2b49f9
5f40de68b8958f14fa2b49f9- 12556false
- 22448false
- 32520true
- 42484false
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Answer : 3. "2520"
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?
964 05f6d79f8f9079a64e3be1fc4
5f6d79f8f9079a64e3be1fc4- 120 πfalse
- 280 πtrue
- 3160 πfalse
- 440 πfalse
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Answer : 2. "80 π"
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:
961 05feee46344b8e672b6542e8b
5feee46344b8e672b6542e8b- 124false
- 248true
- 364false
- 4120false
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