Find the no.of marbles slab of size 20cm of 30cm required to prave the floor of square room of side 3m
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Answer:
one and a half
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Area of marble slabs = Length × Breadth
= 20 × 30
= 600 cm²
Side of square room = 3m = 300cm
Area of square room = side × side
= 300cm × 300cm
= 90000cm²
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