Volume and Surface Area Questions Practice Question and Answer

Q:

The areas of the three adjacent faces of a cuboid are 32 cm2, 24 cm2 and 48cm2. What is the volume of the cuboid?

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  • 1
    288 cm3
    Correct
    Wrong
  • 2
    256 cm3
    Correct
    Wrong
  • 3
    128 cm3
    Correct
    Wrong
  • 4
    192 cm3
    Correct
    Wrong
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Answer : 4. "192 cm3"

Q:

The diagonal of a square is equal to the side of an equilateral triangle. If the area of the square is sq.cm. What is the area (in cm2) of the equilateral triangle ?

883 0

  • 1
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    27
    Correct
    Wrong
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Answer : 4. "27"

Q:

A conical vessel whose internal base radius is 18 cm and height 60 cm is full of a liquid. The entire liquid of the vessel is emptied into a cylindrical vessel with internal radius 15 cm. The height (in cm) to which the liquid rises in the cylindrical vessel is:

879 0

  • 1
    30.2 cm
    Correct
    Wrong
  • 2
    28.8 cm
    Correct
    Wrong
  • 3
    27 cm
    Correct
    Wrong
  • 4
    24 cm
    Correct
    Wrong
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Answer : 2. "28.8 cm"

Q:

Three solid metallic sphere whose radii are 3cm, x cm and 18cm respectively, are melted and recast into a single solid sphere of diameter 38cm. Then find the total surface area of the sphere with radius x cm?

879 0

  • 1
    300 π
    Correct
    Wrong
  • 2
    400 π
    Correct
    Wrong
  • 3
    100 π
    Correct
    Wrong
  • 4
    200 π
    Correct
    Wrong
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Answer : 2. "400 π "

Q:

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

877 0

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

Q:

What will be the area of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?

872 0

  • 1
    20 π
    Correct
    Wrong
  • 2
    168 π
    Correct
    Wrong
  • 3
    80 π
    Correct
    Wrong
  • 4
    40 π
    Correct
    Wrong
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Answer : 3. "80 π"

Q:

A straight line parallel to the base QR of the ∆PQR intersect PQ and PR at the points S and T respectively. If the area of the ∆PQT be 36 cm2 then area of the ∆PRS is:

870 0

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

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.

863 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"

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