1. The average age of a family of 5 members is 24 years. If the age of the youngest member be 6 years, find the average age of the family at the birth of the youngest member-
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By: anil on 05 May 2019 02.43 am
The total age of the 5 members = 120 years. Age of the youngest member is 6 years. Total age of the rest of the group = 114 years. Average age = 114/4 Average age 6 years ago = 114/4 - 6 = 28.5 - 6 = 22.5 years.
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