The average age of a group of men is increased by 6 years when a person aged 26 years is replaced by a new person of age 56 years. How many men are there in the group?
The average age of a group of men is increased by 6 years when a person aged 26 years is replaced by a new person of age 56 years. How many men are there in the group?
A. 3
B. 4
C. 5
D. 6
The correct answer is option C. 5. Can you explain this answer in the comments?
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