There are 8 balls that look identical. One of them weighs
less than the others. Given a weighing scale, how will you
find this ball.
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Answer Posted / juned
1> first make two groups of balls (each contains 4)then
weigth them.
2> seprate the ligther one and then again grouped them into
two (each contains 2)then weigth them.
3> again seprate the liether one
and at last weigth the remaining two and identify the
ligther one
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