Question : The average weight of three men is increased by 4 kg when one of them, whose weight is 100 kg, is replaced by another man. What is the weight of the new man?
Option 1: 107 kg
Option 2: 103 kg
Option 3: 104 kg
Option 4: 112 kg
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Correct Answer: 112 kg
Solution :
Given:
The average weight of three men is increased by 4 kg.
One of them, whose weight is 100 kg, is replaced by another man.
According to the question,
⇒ Weight of new man = increase weight $×$ number of persons + weight of replace man
⇒ Weight of new man will be = 4 kg $×$ 3 + 100 = 112 kg
Hence, the correct answer is 112 kg.
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