Question

A builder needs to tile the floor of a cubical hall of side length 400 cm. He wants to use square tiles each of side length 25 cm.

How many tiles are required to tile the floor?

Answer 1

Answer:

Area of hall=400×400sqcm=160000sqcm

Area of tile=25×25sqcm=625sqcm

No. of tiles required to tile the floor=160000/625

=1280 tiles.

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Answer 2

Answer:

1280

Step-by-step explanation:

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