Mensuration Questions Practice Question and Answer

Q:

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

669 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:

Area of the floor of a cubical room is 64 m2. The length of the longest rod that can be kept in the room is:

666 0

  • 1
    $$16 \sqrt { 2} $$
    Correct
    Wrong
  • 2
    $$4 \sqrt { 3} $$
    Correct
    Wrong
  • 3
    $$12 \sqrt { 3} $$
    Correct
    Wrong
  • 4
    $$8 \sqrt { 3} $$
    Correct
    Wrong
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Answer : 4. " $$8 \sqrt { 3} $$"

Q:

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.)?

665 0

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

Q:

The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p1 , p2 and p3 . The length of each side of the triangle is

665 0

  • 1
    $${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 2
    $${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 3
    $${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
  • 4
    $${4\over \sqrt { 3}}+(p_1+p_2+p_3) $$
    Correct
    Wrong
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Answer : 1. "$${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$ "

Q:

The curved surface area of a cylinder is five times the area of its base. Find the ratio of radius and height of the cylinder.

665 0

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

Q:

Find the area of the triangle whose sides are 5 cm, 12 cm and 13 cm.

664 0

  • 1
    30 $${{cm^2}}$$
    Correct
    Wrong
  • 2
    33 $${{cm^2}}$$
    Correct
    Wrong
  • 3
    15 $${{cm^2}}$$
    Correct
    Wrong
  • 4
    25 $${{cm^2}}$$
    Correct
    Wrong
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Answer : 1. "30 $${{cm^2}}$$"

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?

656 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:

If a store room of a house is in the shape of a cuboid having a length of 3 m, a width of 2 m, and a height of 4m, find the total area of its four walls.

655 0

  • 1
    $${{50cm^2}}$$
    Correct
    Wrong
  • 2
    $${{20cm^2}}$$
    Correct
    Wrong
  • 3
    $${{40cm^2}}$$
    Correct
    Wrong
  • 4
    $${{24cm^2}}$$
    Correct
    Wrong
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Answer : 3. "$${{40cm^2}}$$"

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