You selected It is impossible to work out whether Mark or George is taller. Here’s how others in your region answered. Click Continue to proceed to the next question.
  • George is taller than Mark 11%
  • Mark is taller than George 7%
  • Mark and George are the same height 21%
  • It is impossible to work out whether Mark or George is taller 60%
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Interesting fact:

American psychologist David Wechsler said that, "Intelligence is an individual's internally diverse and global ability to consciously act, think and effectively adapt to the environment.”