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Mensuration Test - 1

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Weekly Quiz Competition
  • Question 1
    1 / -0

    The area of a rectangular sheet is 500 cm2. If the length of the sheet is 25 cm, what is its width?

    Solution

    Explanation:

    area of rectangle = length X width

    here area = 500 cm2

    length = 25 cm

    so the width is

    500 = 25 X W

    width = 500 / 25

    width = 20 cm

     

  • Question 2
    1 / -0

    The length and breadth of a rectangle are 10 cm and 8 cm respectively. If its length is doubled, then its new area is

    Solution

    Explanation:

    Area of rectangle is

    a = l×b

    here length = 10 cm and breadth = 8cm

    double the length = 2×10

    the new length is = 20 cm

    so the area is

    a = 20×8

    area of rectangle is = 160 cm2

     

  • Question 3
    1 / -0

    The side of a square is 6 cm. If its side is doubled, then its new perimeter is

    Solution

    Explanation:

    Perimeter of square is

    P = 4L

    here length = 6 cm

    if the length is doubled the new length will be

    length = 6 * 2

    length = 12 cm

    perimeter = 4 * 12

    perimeter = 48 cm

     

  • Question 4
    1 / -0

    If the perimeter of a square is 16 cm, then its area is

    Solution

    Explanation:

    Perimetet of square is

    p= 4 l

    here perimeter = 16 cm

    so the length of square is

    16 = 4* L

    length = 16 / 4

    length = 4 cm

    Area of a square is

    a= l∗l

    a= 4 * 4

    Area = 16 cm2

     

  • Question 5
    1 / -0

    The side of a square is 12 m. Its perimeter is

    Solution

    Explanation:

    Perimeter of square = ​4 l

    here length = 12 m

    so, the perimeter  = 4 * 12

    = 48 m

     

  • Question 6
    1 / -0

    The perimeter of a square is 100 cm. Its side is

    Solution

    Explanation:

    Perimeter of a square is = 4 l

    here perimeter = 100 cm

    so length = 100 / 4

    = 25 cm

     

  • Question 7
    1 / -0

    The area of square is 100 cm2. Its side is

    Solution

    Explanation:

    Area of square = l ∗ l

    here area = 100 ​cm2

    so the lenght is = l = √100

    length = 10 cm

     

  • Question 8
    1 / -0

    The side of a square is 8 cm. Its area is

    Solution

    Explanation:

    area of a square= l ∗ l

    here length  of square is = 8cm

    so the area is 8cm * 8cm = 64cm2

     

  • Question 9
    1 / -0

    The length and breadth of a rectangle are 40 cm and 10 cm respectively. Its perimeter is

    Solution

    Explanation:

    Perimeter of Rectangle = 2 (length + breadth) 

    = 2(40 + 10) cm

    = 2 x 50 cm

    = 100 cm

     

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