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In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is ______. - Mathematics

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Question

In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is ______.

Options

  • 1 : 11

  • 1 : 10

  • 1 : 100

  • 1 : 3

MCQ
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Solution

In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is 1 : 10.

Explanation:

Given, In a blueprint height of the room = 33 cm

And actual height of the room = 330 cm

We know that,

Scale of map = `"Size drawn"/"Actual size"`

= `33/330`

= `1/10`

i.e. Scale = 1 : 10

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Chapter 6: Visualising Solid Shapes - Exercise [Page 185]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 6 Visualising Solid Shapes
Exercise | Q 18. | Page 185

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