A rectangular courtyard 3.78 meters long and 5.25 meters wide is to be paved exa

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โœช Choose the correct option.

A rectangular courtyard 3.78 meters long and 5.25 meters wide is to be paved exactly with square tiles ,all of the same size. What is the largest size of the tile which could be used for the purpose?

A. 14 cm
B. 21 cm
C. 42 cm
D. None of these

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