Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?  Choose the most appropriate option.
A) 125
B) 879
C) 476
D) 255
E) 789
Explanation:   3 1/2 * 8 1/2 = 1/4 * 1/4 * x =&gt; x = 476   Answer : 476
<result>C</result>
Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?