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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