Average age of 7 members of a family is 29 years. If present age of the youngest member is 5 year, find average age of the remaining members at the time of birth of the youngest member.  Choose one: A) 28 B) 37 C) 29 D) 237 E) 212
Average age (present) of 7 members = 29 years   5 years ago, average age of 7 members was  29 - 5= 
<gadget id="calculator"> 29 - 5</gadget>
<output>24</output>
24 years.   Since, the youngest member was not born 5 years ago.   Therefore, Average age of remaining 6 members is increased by 246246= 4 years.   Therefore, 5 years ago, average age of 6 members was  24 + 4= 
<gadget id="calculator"> 24 + 4</gadget>
<output>28</output>
28 years.   28nswer:28
<result>A</result>
Average age of 7 members of a family is 29 years. If present age of the youngest member is 5 year, find average age of the remaining members at the time of birth of the youngest member.