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ICSE Class X Math 2016 Solved Paper

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A model of a ship is made to a scale 1:300 .
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Question : 43
Total: 57
The area of the deck ship is 180,000 m2 . Calculate the area of the deck of the model.
Solution:  
‌‌∴ (Scale factor )2=‌
‌ area of the model ‌
‌ area of the ship ‌
‌
1
90,000
=‌
‌ area of the model ‌
1,80,000

area of the model =2m2‌‌
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