In a ship 45 persons were sitting in seats. Their average weight increased 1 kg when One man
goes and a new man comes in. The weight of the new man is 90kgs. Find the Weight of the man who is going to sit in seat.
Here Weight increased per person is 1 kg.
Total increase in weight = 45 kgs
Weight of new man is 90 kgs,
The weight of the old person was 90 – 45 = 45 kgs
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