The average age of a family of 6 members is 22 years. If the age of the youngestmember be 7 years, what was the average age of the family at the birth of theyoungest member
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average age=22 years
no of members=6
average age of all member=22×6=132
youngest member=7 years
excluding him,
no of members=6 -1=5
average age of all members=132-7 =125 average age of the family=125 years
no of members=6
average age of all member=22×6=132
youngest member=7 years
excluding him,
no of members=6 -1=5
average age of all members=132-7 =125 average age of the family=125 years
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