The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years, The age of the 15th student is  Choose the correct choice from the following choices:
A) 11
B) 15
C) 6
D) 8
E) 76
Explanation:   Age of the 15th student = [15 * 15 - (14 * 5 + 16 * 9)] = (225-214)= 
<gadget id="calculator">(225-214)</gadget>
<output>11</output>
11 years.   11nswer: 11) 11
<result>A</result>
The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years, The age of the 15th student is