You have 8 marbles. 7 marbles weigh 1 ounce each, & one
marble weighs 1.5 ounces. You are unable to determine which
is the heavier marble by looking at them. You have a
weighing scale that consists of 2 pans, but the scale is
only good for 2 total weighings. How can you determine which
marble is the heaviest one using the scale & in 2 weighings?
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Answer Posted / raj
1st-weigh 3 & 3 in2 pans of weigh keep 2 in
side.
if both are equal 2nd- then weigh 1 & 1
and know which is hvy
this is ANS.....
if both are not eql
then take three which are heavy
and
2nd*- weigh 1 & 1 keep 1 in side
if they equal then this is heavy
this is ANS.....
if they are not equal
then heavier is ANS...
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