Difficulty Level: Hard
Stats: 674 / 2,101 ( 32.08% ) 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