Find the number of square tiles to cover the floor of a room measuring 6.5 m * 8.5 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?
Select:
A) 768 B) 476 C) 429 D) 428 E) 413
Floor area to be covered by tiles = 6 * 8= 
<gadget id="calculator">6 * 8</gadget>
<output>48</output>
48   tiles area= 0.25 * 0.25= 
<gadget id="calculator">0.25 * 0.25</gadget>
<output>0.0625</output>
0.0625   No. of tiles= 48/0.0625= 
<gadget id="calculator">48/0.0625</gadget>
<output>768</output>
768   768nswer : 768
<result>A</result>
Find the number of square tiles to cover the floor of a room measuring 6.5 m * 8.5 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?