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You have 8 balls. One of them is defective and weighs less
than others. You have a balance to measure balls against
each other. In 2 weighings how do you find the defective one?
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Answer Posted / rajeev kumar
Solution:
a. first take 4-4 group of balls and weight this. Then one
of group will be less.
b. next we take less weight group and take 2-2 group and
weight this and choose less weight group.
c. next take 1-1 group and weight choose less weight group.
and there is one ball.
So this ball is defective ball.
| Is This Answer Correct ? | 6 Yes | 25 No |
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