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 19students? Options
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 / 19= 
<gadget id="calculator">266 / 19</gadget>
<output>14</output>
14 years.   14 yearsnswer 14 years
<result>A</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 19students?