a room 5 44 m long and 3 74 broad is to..., Area, General Mathematics

Question:A room 5.44 m long and 3.74 m broad is to be paved with square tiles. The least number of square tiles required to cover the floor is :

/98

+ AnswerA

+ ExplanationArea of the room`= (544 xx 374)` sq. cm.

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

          `= 34 cm`

Area of 1 tile` = (34 xx 34)` sq. cm.

:. Number of tiles` = ((544 xx 374)/(34 xx 34))`

                             `= 176`

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Question:A room 5.44 m long and 3.74 m broad is to be paved with square tiles. The least number of square tiles required to cover the floor is :

A 176

B 192

C 184

D 162

A