Find the number of square tiles to cover the floor of a room measuring 4.5 m * 9.5 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?	Choices.
A) 422  B) 576  C) 429  D) 428  E) 413
Floor area to be covered by tiles = 4 * 9= 
<gadget id="calculator">4 * 9</gadget>
<output>36</output>
36   tiles area= 0.25 * 0.25= 
<gadget id="calculator">0.25 * 0.25</gadget>
<output>0.0625</output>
0.0625   No. of tiles= 36/0.0625= 
<gadget id="calculator">36/0.0625</gadget>
<output>576</output>
576   Answer : 576
<result>B</result>
Find the number of square tiles to cover the floor of a room measuring 4.5 m * 9.5 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?