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acc to me answer is 128
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There is a rectangular hall with dimensions 24 and 16 m.
Hence area = length x breadth =24x16 = 384 sq m.
Each carpet is a rectangle with dimensions 2.5 and 1.2 m.
Hence area = length x breadth = 2.5 x 1.2 = 3 sq m.
Thus if 1 carpet is required 3 sq m
we have to find out the no of carpets for 384 sq m.
No of carpets = 384/3 = 128
Hence answer is 128 carpets are required for that room
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