Volume and Surface Area Practice Question and Answer

Q:

What is the volume of a cube whose side is 7.5 cm?

1119 0

  • 1
    421.875 cm3
    Correct
    Wrong
  • 2
    759.375 cm3
    Correct
    Wrong
  • 3
    631.81 cm3
    Correct
    Wrong
  • 4
    210.94 cm3
    Correct
    Wrong
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Answer : 1. "421.875 cm3"

Q:

The height of a wall is six times its width and the length of the wall is seven times its height. If volume of the wall be 16128 cube m, its width is 

1113 0

  • 1
    5m
    Correct
    Wrong
  • 2
    4m
    Correct
    Wrong
  • 3
    4.5m
    Correct
    Wrong
  • 4
    6m
    Correct
    Wrong
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Answer : 2. "4m "

Q:

In the given figure find out the area of circle?

1106 0

  • 1
    48π sq cm
    Correct
    Wrong
  • 2
    50π sq cm
    Correct
    Wrong
  • 3
    100π sq cm
    Correct
    Wrong
  • 4
    200π sq cm
    Correct
    Wrong
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Answer : 3. "100π sq cm"

Q:

The ratio of curved surface area and volume of a cylinder is 1 : 7. The ratio of total surface area and volume is 187 : 770. What is the respective ratio of its base radius and height?

1103 0

  • 1
    7:15
    Correct
    Wrong
  • 2
    8:7
    Correct
    Wrong
  • 3
    7:10
    Correct
    Wrong
  • 4
    7:12
    Correct
    Wrong
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Answer : 3. "7:10"

Q:

The curved surface area of a right circular cylinder of radius 2 cm is 264 cm2. The height of the cylinder, in cm, is

1089 0

  • 1
    42
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    10.5
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 4. "21"

Q:

Area of a rectangle is equal to the area of a circle whose radius is 14 cm. If the breadth of the rectangle is 22 cm, what is its length?

1087 0

  • 1
    24 cm
    Correct
    Wrong
  • 2
    28 cm
    Correct
    Wrong
  • 3
    26 cm
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "28 cm"

Q:

The difference of the circumference and radius of a circle is 37 cm. Area of the circle is

1085 0

  • 1
    150 sq.cm
    Correct
    Wrong
  • 2
    84 sq.cm
    Correct
    Wrong
  • 3
    77 sq.cm
    Correct
    Wrong
  • 4
    154 sq.cm
    Correct
    Wrong
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Answer : 4. "154 sq.cm"

Q:

The base of a right circular cone has the same radius a as that of a sphere. Both the sphere and the Cone have the same volume. Height of the cone is:

1081 0

  • 1
    3a
    Correct
    Wrong
  • 2
    $$ {7\over4}a$$
    Correct
    Wrong
  • 3
    $$ {7\over3}a$$
    Correct
    Wrong
  • 4
    4a
    Correct
    Wrong
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Answer : 4. "4a"

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