The average age of 120 members of a society is 60.7 years. By addition – McqOptions

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1.	The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the averageÂ age (in years) of newly joined members?
A.	36.5
B.	37.2
C.	38.3
D.	38.7
Answer» E.

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