Mensuration Questions Practice Question and Answer

Q:

Length of rectangle is 80% of diagonal of square of area 1225, then find area of rectangle if it's perimeter is 94√2.

596 0

  • 1
    1016
    Correct
    Wrong
  • 2
    500
    Correct
    Wrong
  • 3
    1604
    Correct
    Wrong
  • 4
    1064
    Correct
    Wrong
  • 5
    625
    Correct
    Wrong
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Answer : 3. "1604"

Q:

Area of the smallest square that can circular ring enclosed Ween of area 616 cm2 is 

990 0

  • 1
    864 cm^2
    Correct
    Wrong
  • 2
    764 cm^2
    Correct
    Wrong
  • 3
    784 cm^2
    Correct
    Wrong
  • 4
    824 cm^2
    Correct
    Wrong
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Answer : 3. "784 cm^2"

Q:

The breadth of a rectangular hall is three - fourth of its length. If the area of the floor is 768 sq. m., then the difference between the length and breadth of the hall is: 

2445 0

  • 1
    8 metres
    Correct
    Wrong
  • 2
    12 metres
    Correct
    Wrong
  • 3
    24 metres
    Correct
    Wrong
  • 4
    32 metres
    Correct
    Wrong
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Answer : 1. "8 metres "

Q:

If the length of the diagonal AC of a square ABCD is 5.2 cm, then the area of the square is?

504 0

  • 1
    15.12 sq.cm
    Correct
    Wrong
  • 2
    13.52 sq.cm
    Correct
    Wrong
  • 3
    12.62 sq.cm
    Correct
    Wrong
  • 4
    10.00 sq.cm
    Correct
    Wrong
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Answer : 2. "13.52 sq.cm"

Q: If radius and height of a cylinder increase by 20% and15% respectively. then what is the % change in curved surface area? 1480 0

  • 1
    41%
    Correct
    Wrong
  • 2
    38%
    Correct
    Wrong
  • 3
    33%
    Correct
    Wrong
  • 4
    44%
    Correct
    Wrong
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Answer : 2. "38%"
Explanation :

Answer: B) 38% Explanation: % Change in Curved Surface Area is given by  %Change in radius + %Change in height + %Change in radius × %Change in height 100   ⇒+20 + 15 + 20×15100 = 38%

Q:

The perimeter of a triangle is equal to perimeter of a rectangle. Length of rectangle is 75% of side of a square and ratio of length to breadth of rectangle is 3 : 2. If difference between perimeter of square and that of rectangle is 36 cm, then find perimeter of triangle?

1160 0

  • 1
    60 cm
    Correct
    Wrong
  • 2
    48 cm
    Correct
    Wrong
  • 3
    72 cm
    Correct
    Wrong
  • 4
    80 cm
    Correct
    Wrong
  • 5
    96 cm
    Correct
    Wrong
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Answer : 1. "60 cm "

Q:

The perimeter of rectangle of length 2 (x + 3) cm and breadth 2 (x + 1) cm is double the perimeter of a square of area 225 cm2. Find the area of rectangle.

1185 0

  • 1
    728 cm2
    Correct
    Wrong
  • 2
    896 cm2
    Correct
    Wrong
  • 3
    1024 cm2
    Correct
    Wrong
  • 4
    1156 cm2
    Correct
    Wrong
  • 5
    1596 cm2
    Correct
    Wrong
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Answer : 2. "896 cm2"

Q:

Two circles of radii 4 cm and 9 cm respectively touch each other externally at a point and a common tangent touch them at the points P and Q respectively. Then the area of square with one side PQ, is:

857 1

  • 1
    72 $$cm^2$$
    Correct
    Wrong
  • 2
    144 $$cm^2$$
    Correct
    Wrong
  • 3
    97 $$cm^2$$
    Correct
    Wrong
  • 4
    194 $$cm^2$$
    Correct
    Wrong
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Answer : 2. "144 $$cm^2$$ "

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