The goalkeeper of a Hockey team is 31 years old and the captain is 4 years older and the team size is 11. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?  Choose the correct answer.
A) 28.5 years B) 24 years C) 25 years D) none of the above E) Cannot be determined
Explanation :   Let the average age of the whole team by x years.   =&gt; 11x - (31 + 35) = 9(x -1)   =&gt; 11x - 9x = 57   =&gt; 2x = 57   =&gt; x = 28.5.   So, average age of the team is 28.5 years.   28.5 yearsnswer : 28.5 years
<result>A</result>
The goalkeeper of a Hockey team is 31 years old and the captain is 4 years older and the team size is 11. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?