Four children were experimenting with a scale. As each did not want the others to know their individual mass........

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Four children were experimenting with a scale. As each did not want the others to know their individual mass, they agreed to weigh 3 people at a time. After trying all possible combinations, they kept getting the same four readings on the weighing scale.

63 kg
66 kg
69 kg
72 kg

But then they realized the group weighings provided too much information! What is the mass of each child?

posted Oct 14 by Chahat Sharma

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