SSC CHSL Model Paper 19

Question : 73 of 99

Marks: +1, -0

A room 16m 5cm long and 15 m broad is to be fitted with equal square tiles. How many largest possible tiles are required so that they exactly fit?

Solution:

Length of room =16 metre 5 cm. = 1605 cm.
Width = 1500 cm.
Side of largest square tile = HCF of 1605 cm and 1500 cm = 15 cm.

∴ Number of tiles =

{1605×1500}/{15×15}=10700

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