How do you find out which coin is fake in two scalings?

1,421.2K Views

You were given nine same looking coins of which one is fake – weighs less. You can use even arm balance. How do you find out which coin is fake in two scalings?

Share
Add Comment

  • 1 Answer(s)

    Three coins on the left; three on the right; three aside. Left side goes down right side goes down or scales stay balanced. Now you know within which three coins the fake one is.

    Now there are three coins – one left one right one aside…

    anikam Expert Answered on 21st August 2015.
    Add Comment
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.
  • More puzzles to try-