Entry Test MCQ :: Ratio Rates and Proportion

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The floor of a particular room requires 700 tiles of size 15cm x 10cm to cover it. How many tiles will be required to cover the same floor if the size is changed from 15cmx10cm to 25cmx5cm?

[A].	600	[B].	840
[C].	800	[D].	950

Answer: Option B

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