Volume and Surface Area Practice Question and Answer

Q:

The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

715 0

  • 1
    3 : 7
    Correct
    Wrong
  • 2
    7 : 3
    Correct
    Wrong
  • 3
    6 : 7
    Correct
    Wrong
  • 4
    7 : 6
    Correct
    Wrong
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Answer : 2. "7 : 3"

Q:

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is $$ {4 m^{3}}$$ , then the rise in the water level in the tank will be:

809 0

  • 1
    20 cm
    Correct
    Wrong
  • 2
    50 cm
    Correct
    Wrong
  • 3
    35 cm
    Correct
    Wrong
  • 4
    25 cm
    Correct
    Wrong
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Answer : 4. "25 cm"

Q:

What is the area of the largest triangle that can be fitted into a rectangle of length 'l' units and width 'w' units?

725 0

  • 1
    $$ {lw\over3}$$
    Correct
    Wrong
  • 2
    $$ {2lw\over3}$$
    Correct
    Wrong
  • 3
    $$ {3lw\over3}$$
    Correct
    Wrong
  • 4
    $$ {lw\over2}$$
    Correct
    Wrong
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Answer : 4. "$$ {lw\over2}$$"

Q:

The figure below is an equilateral triangle with sides of length 6. What is the area of the triangle?

824 0

  • 1
    $$ {9\sqrt{3}:1}$$
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    $$ {12\sqrt{3}:1}$$
    Correct
    Wrong
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Answer : 1. "$$ {9\sqrt{3}:1}$$"

Q:

In the given figure, the ratio of the area of the largest square to that of the smallest square is:

1014 0

  • 1
    3 : 1
    Correct
    Wrong
  • 2
    4 : 1
    Correct
    Wrong
  • 3
    $$ {\sqrt{2}:1}$$
    Correct
    Wrong
  • 4
    2 : 1
    Correct
    Wrong
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Answer : 3. "$$ {\sqrt{2}:1}$$"

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.

819 0

  • 1
    14 cm
    Correct
    Wrong
  • 2
    16 cm
    Correct
    Wrong
  • 3
    10 cm
    Correct
    Wrong
  • 4
    12 cm
    Correct
    Wrong
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Answer : 1. "14 cm "

Q:

A polygon has 9 sides, what is its interior angle?

871 0

  • 1
    140 degree
    Correct
    Wrong
  • 2
    100 degree
    Correct
    Wrong
  • 3
    120 degree
    Correct
    Wrong
  • 4
    40 degree
    Correct
    Wrong
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Answer : 1. "140 degree"

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:

839 0

  • 1
    24
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "48"

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