Games BrainTeasers Bridges Connect 4 Mahjongg Othello Slide 15 Sudoku Word Search Flash Games Bubbles Site Navigation Home News Contact us Privacy Policy Join Random Fact The rhinoceros beetle can carry up to 850 times its weight on its back. This is equivalent to a person carrying over 50 mini-vans on their back. Members' Area Login System Stats Regisered Users: 22 Puzzles: 1148 Users Online: 11   Brain Teaser # 507 Category: Riddle   Problem: A new medical building containing 100 offices had just been completed. Mark was hired to paint the numbers 1 to 100 on the doors. How many times will Mark have to paint the number nine?   Display Answer Copyriight © 2005 - 2010 BrainTeasers.org BrainTeasers.org is part of the InnovationsR.us Network