Puzzle : -
You have 8 jars of the same size and shape. Seven of the jars weigh 5 ounces while the eighth jar weights 6. You have a scale you can use to measure the jars but you can only measure twice. How do you find out which is the heavier jar ?
Answer: -
Answer: -
You take two jars away. Put 3 jars on one side of the scale and 3 jars on the other side. Measure. If neither of them are heavier, the jar must have been in one of the two you took away. Measure and you will find the jar. If one of the scales did tilt, take 1 jar away of the remaining 3 and measure the two remaining jars on each side of the scale. If one tilts, that is the heavier jar. If neither tilts, the one remaining jar must be the heavy one.
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