Difficulty Level: Hard
      
        Stats: 675 / 2,103
        ( 32.10% ) got this right
      
    What is the least number of square tiles required to pave the floor of a room that is 1517 cm long and 902 cm wide if all tiles must be a whole (non fraction) number in length/width and of uniform size?
- 814
 - 820
 - 836
 - 840
 - 842