Use of applied mathematics during hiring process for developers

How long did it take you to solve this task?

  1. 40 seconds
  2. 10 minutes
  3. l
  4. hours and hours
  5. didnt solve it, got distracted at work and decided it takes too much time :)
  6. unknown - did not solve, had a guess
  7. 13
  8. I looked at it for a minute or so. What are the numbers? Area? Length (of which line?)
  9. 30min
  10. Couldn't
  11. <30sec
  12. 4 min.
  13. 5 min
  14. 4mins
  15. 4mins
  16. 4min
  17. 10 mins
  18. Again, sadly over 20 minutes
  19. 4 min