A class of 10 students is having an average age of 15, another group of 4 students whose average age is 12 has been added to them. What is the average of the new group formed?	Choose the correct choice from the following answers.
A) 12  B) 13.4  C) 14.14  D) 15  E) 16.25
sum of ages of the new group formed= (15x10) + (4x12) = 198   Total number of people in the new group= 10+4= 
<gadget id="calculator">10+4</gadget>
<output>14</output>
14   Average of the new group=198/14 = 14.14   Answer: 14.14
<result>C</result>
A class of 10 students is having an average age of 15, another group of 4 students whose average age is 12 has been added to them. What is the average of the new group formed?