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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
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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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