Answer : 4 29 yrs Explanation : Answer: D) 29 yrs Explanation: Let the avg age of 7 boys be

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The average age of 7 boys is increased by 1 year when one of tem whose age is replaced by a girl. What is the age of the girl ?

Answer : 4 29 yrs Explanation : Answer: D) 29 yrs Explanation: Let the avg age of 7 boys be