Question

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A wall of dimensions 63.5m by 12.7m has to be paved with square tiles of side 2.54cm . Find the number of such square tiles required.
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Answer 1

Convert all to cm:

63.5 m = 63.5 x 100 = 6350 cm

12.7 m = 12.7 x 100 = 1270 cm

Find the number of square tiles length-wise:

tiles needed = 6350 ÷ 2.54 = 2500

Find the number of square tiles breadth-wise:

tiles needed = 1270 ÷ 2.54 = 500

Find the number of tiles needed:

Total tiles = 2500 x 500 = 1,250,000

Answer: 1,250,000 square tiles required.

Answer 2

Please refer to the attachment for your answer.

$\boxed{\red{Your \: answer\: is\: 12,50,000\: tiles}}$