A room is 12 ¼ m long and 7w wide. The maximum length of a square tile to fill

Question

A room is 12 ¼ m long and 7w wide. The maximum length of a square tile to fill the floor of the room with whole number of it's tiles should be

Options:

A . 200cm

B . 175cm

C . 125cm

D . 150cm

Answer: Option B

l = 1225cm and b= 700cm
Maximum length of the square tile
= H.C.F of (1225cm 700cm) = 175cm

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