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 14 students?
Choose the correct option:
A) 14 years	B) 17 years	C) 19 years	D) 21 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 / 14= 
<gadget id="calculator">266 / 14</gadget>
<output>19</output>
19 years.   Answer 19 years
<result>C</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 14 students?