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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 / vivek gupta
First we have to weight
3 in one side and 3 in other side..
if It seemed to be same then try the next remaining 2.
else in case of 3 not equal 3
then the heavier side is of three r taken and then 2 are
weighted then we can distinguished which one is heavier
among these three.
| Is This Answer Correct ? | 82 Yes | 7 No |
Answer / 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...
| Is This Answer Correct ? | 12 Yes | 0 No |
Answer / shaili & krishna
You can also put half of 8 marbels in both weigh scale means
half 4 in one & remaining half in another & then check which
scale is more heavier then avoid lighter one then take
heavier side marbels then put 2 in one weigh scale &
remaining in another. then check which is heavier take that
heavier part check it by puting one marbel in one weigh
scale & remaining in another.....
So you can get which is heavier from that 8 marbels
Suppose as example,
8
4 > 4
2 > 2
1(This is heaviest) > 1
| Is This Answer Correct ? | 11 Yes | 16 No |
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