Question 10
The average age of 8 members of a group is 36 years. The age of the eldest member is 32 years. If we exclude that eldest member from the group, then what will be the average age (in years) of the remaining members?
Solution
Average age of 8 members of a group = 36 years
=> Total age of 8 members = $$36\times8=288$$
Age of eldest member = 32 years
Average age (in years) of the remaining members= $$\frac{(288-32)}{7}$$
= $$\frac{256}{7}=36.57$$
=> Ans - (D)
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