The average of 35 students in a class is 18 years. The average age of 25 students is 16. What is the average age of remaining 10 students? Choose the correct choice from the following options.
A) 21 years  B) 23 years  C) 22 years  D) 20 years  E) 24 years
Sum of the ages of 14 students   = (18 * 35) - (16 * 25) = 630 - 400= 
<gadget id="calculator">630 - 400</gadget>
<output>230</output>
230   Required average= (230/10)= 
<gadget id="calculator">(230/10)</gadget>
<output>23</output>
23 years.   Answer:23 years
<result>B</result>
The average of 35 students in a class is 18 years. The average age of 25 students is 16. What is the average age of remaining 10 students?