The average age of 60 students in a class is 10years. If teacher's age is also included then average increases 1year then find the teacher's age?	Pick one:
A) 71	B) 65	C) 61	D) 45	E) 36
Total age of 50 students = 60*10= 
<gadget id="calculator">60*10</gadget>
<output>600</output>
600   Total age of 51 persons= 61*11= 
<gadget id="calculator">61*11</gadget>
<output>671</output>
671   71ge of teacher= 671-600= 
<gadget id="calculator">671-600</gadget>
<output>71</output>
71years   71nswer is 71
<result>A</result>
The average age of 60 students in a class is 10years. If teacher's age is also included then average increases 1year then find the teacher's age?