The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years the average of the family at the birth of the youngest member was -

The average age of a family of 6 members is 22 years. If the age of th

1.	The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years the average of the family at the birth of the youngest member was -
A.	17.5 years
B.	18 years
C.	15 years
D.	17 years
Answer» C. 15 years

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The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years the average of the family at the birth of the youngest member was -

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