I predict that your result will be 18

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  • Think of a number.
  • Add 7 to it.
  • Subtract 2.
  • Subtract your original number.
  • Multiply by 4.
  • Subtract 2.
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  • 1 Answer(s)

    This problem gives the illusion of guessing an unknown number, but the unknown has been cancelled mathematically.

    ( X + 7 – 2 – X ) × 4 – 2 = 18
    anikam Expert Answered on 18th August 2015.
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