The average age of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 95 students?  Choose the correct choice from the following answers:
A) 14 years	B) 1.7 years	C) 1.9 years	D) 2.8 years	E) None
Solution   Sum of the ages of 14 students	= (16 x 35) - (14 x 21)   = 560 - 294.= 
<gadget id="calculator">560 - 294.</gadget>
<output>266</output>
266.   ∴ Required average= 266 / 95= 
<gadget id="calculator">266 / 95</gadget>
<output>14/5 = around 2.8</output>
2.8years.   Answer 2.8 years
<result>D</result>
The average age of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 95 students?