What is the minimum number of weighing operations required to measure 31 kg of wheat if only one weight of 1 kg is available?
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When 1 weight of 1 kg is there with that we can weigh 1 kg. Next time we can weigh 2 kg(weight+1 kg wheat). Next time we can weight 4 kg. Next time 8 kg. can be weighed. After that we can weight 16 kg ..So after 5 weighing operations the whole wheat would be weighed.
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Answer:
When 1 weight of 1 kg is there with that we can weigh 1 kg. Next time we can weigh 2 kg(weight+1 kg wheat). Next time we can weight 4 kg. Next time 8 kg. can be weighed. After that we can weight 16 kg ..So after 5 weighing operations the whole wheat would be weighed.
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