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If we have to weigh 31 kgs of rice using only 1 kg stone. What are the minimum number of weighing operations required?
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- 5 times.
weigh 1 kg first.
Put it with 1 kg stone in one pan and weigh 2 kg rice now.
total rice u got is 3 kg.
Put 3 kg rice with 1 kg stone in one pan and weigh 2 kg rice now. Total 7 kg.
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last weight is 16 kg.
so 16+15 = 31 kg of rice - 12 years agoHelpfull: Yes(5) No(0)
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