U have 8 balls, all have the same in size, 7 have same
weight & 8th have weight slightly more.How can u find the
ball which have slightly more weight by using a balance &
only 2 weightings ?



U have 8 balls, all have the same in size, 7 have same weight & 8th have weight slightly more...

Answer / mithun

USING THE BALANCE AT FIRST WEIGH 6 BALLS TAKING 3 AT EACH
SIDE OF BALANCE. IF BOTH ARE EQUAL U R LEFT WITH ONLY TWO
BALLS AND WEIGHING THEM IN 2ND ATTEMPT U WILL KNOW WHICH ONE
IS LESSER. eLSE IF IN THE FIRST WEIGH ONW WOULD BE LESSER.
FROM THESE 3 BALLS TAKE ONLY TWO BALLS AT PUT IT IN BALANCE.
U WILL KNOW WHICH ONE IS LIGHTER

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