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A room is 8m long and 6m wide. Its floor...

A room is 8m long and 6m wide. Its floor is to be covered with rectangular tiles of size 25cm by 20cm. How many tiles will be required? Find the cost of these tiles at Rs. 25 per tile.

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RD SHARMA ENGLISH-MENSURATION-All Questions
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  17. The length and breadth of a rectangle are 12cm and 5cm respectively...

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  18. The perimeter of a square whose area is 225\ m^2 is.........

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