A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be – McqOptions

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1.	A rectangular courtyard 3.78 metres long and 5.25 metres 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
Answer» C. 42 cm

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