The average age of 15 students of a class is 16 years. Out of these, the average age of 6 students is 14 years and that of the other 9 students is 16 years. Tee age of the 15th student is?	Choose the correct answer:
A) 10years B) 11years C) 12years D) 13years E) 14years
Age of the 15th student   =[15 * 16 - (14 * 6 + 16 * 9)]   = (240 - 228)= 
<gadget id="calculator">(240 - 228)</gadget>
<output>12</output>
12 years.   Answer:12years
<result>C</result>
The average age of 15 students of a class is 16 years. Out of these, the average age of 6 students is 14 years and that of the other 9 students is 16 years. Tee age of the 15th student is?