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.

Answer Posted / abhilasha

put all the balls on the weighing scale at once.
remove one ball note the weightloss n mark that ball and put
it back wid the other balls on the scale.
remove second ball note the weightloss n mark that ball n
put it back.
continue for all the balls till u find a weightloss that is
lesser than the normal weightloss observed.

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