1.

A room 5 m 55 cm long and 3 m 74 cm broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor. 

Answer»

Area of the room = (544 x 374) cm2 . 

Size of largest square tile = H.C.F. of 544 cm and 374 cm = 34 cm. 

Area of 1 tile = (34 x 34) cm2 .  

Number of tiles required =(544*374)/(34*34)=176



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