Average age of 7 family members is 75 years. But average age of 6 of t – McqOptions

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1.	Average age of 7 family members is 75 years. But average age of 6 of them is 74 years 6 months. What is the age of the 7th family member?
A.	75.5
B.	78
C.	68
D.	80
Answer» C. 68

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