Answer Posted / anand.s

1)take any 6 balls.keep 3 balls in one side and other 3
balls in other side.if there is a heavy ball in any one of
these six balls then the weigh will come down one side.goto
step 3.
2)if the weigh is equal then the heavy ball is in the
remaining 3 balls.goto step 4.
3)take those 3 balls which is on heavy side.
4)keep one ball aside and put 1 ball each in either side of
weigh.if there is heavy ball then it will come down and we
can find out.if the weigh is equal then the ball kept aside
is the heavy ball.

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