Q142
A room is 121/4 m long and 7 m wide. The maximum length of a square tile to fill the floor of the room with whole number of tiles should be :
A room is m long and 7 m wide. The maximum length of a square tile to fill the floor of the room with whole number of tiles should be :
A.
125 cm
B.
150 cm
C.
175 m
AnswerD.
200 cm
Answer: Option C
Solution
Answer: Option C
Solution:
Length of largest tile := H.C.F. of m and 7 m
= H.C.F. of 12.25 m and 7 m
= H.C.F. of 1225 cm and 700 cm = 175 cm