Mensuration Questions Practice Question and Answer

Q:

The base of a right pyramid is a square of side 10 cm. If its height is 10 cm, then the are (in cm2) of its lateral surface is:

572 0

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

Q:

A pole 23 m long reaches a window which is 3 m above the ground on one side of a street. Keeping its foot at the same point, the pole is turned to the other side of the street to reach a window 4 is m high. What is the width (in m) of the street? 

572 0

  • 1
    17
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    39
    Correct
    Wrong
  • 4
    22
    Correct
    Wrong
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Answer : 3. "39 "

Q:

A cylindrical roller made of iron is 1.2 m long. Its internal radius is 24 cm and thickness of the iron sheet used in making the roller is 15 cm. What is the mass (in kg) of the roller, if 1 cm3 of iron has 8 g mass?

570 0

  • 1
    846.72 π
    Correct
    Wrong
  • 2
    845.75 π
    Correct
    Wrong
  • 3
    892.8 π
    Correct
    Wrong
  • 4
    907.2 π
    Correct
    Wrong
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Answer : 4. "907.2 π"

Q:

Diagonal of a given square is 4√2 cm. What is the diagonal of the other square whose area is double of the given square?

569 0

  • 1
    8√2 cm
    Correct
    Wrong
  • 2
    16 cm
    Correct
    Wrong
  • 3
    7√3 cm
    Correct
    Wrong
  • 4
    8 cm
    Correct
    Wrong
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Answer : 4. "8 cm"

Q:

Area of a equilateral triangle is 400√3 sq.m. then perimeter is-

568 0

  • 1
    135 meter
    Correct
    Wrong
  • 2
    120 meter
    Correct
    Wrong
  • 3
    150 meter
    Correct
    Wrong
  • 4
    90 meter
    Correct
    Wrong
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Answer : 2. "120 meter "

Q:

If two circles of radii 18 cm and 8 cm touch externally, then the length of a direct common tangent is:

568 0

  • 1
    24 cm
    Correct
    Wrong
  • 2
    16 cm
    Correct
    Wrong
  • 3
    14 cm
    Correct
    Wrong
  • 4
    12 cm
    Correct
    Wrong
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Answer : 1. "24 cm"

Q:

The radius and height of a right circular cone are in the ratio 3: 4. If its curved surface area (in cm2) is 240 π, then its volume (in cm3) is:

568 0

  • 1
    2304 π
    Correct
    Wrong
  • 2
    384 π
    Correct
    Wrong
  • 3
    1536 π
    Correct
    Wrong
  • 4
    768 π
    Correct
    Wrong
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Answer : 4. "768 π"

Q:

The base of a triangle is 16 cm and its area is . Find its corresponding height, with respect to the given base.

565 0

  • 1
    18 cm
    Correct
    Wrong
  • 2
    9 cm
    Correct
    Wrong
  • 3
    24 cm
    Correct
    Wrong
  • 4
    12 cm
    Correct
    Wrong
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Answer : 1. "18 cm "

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