The average of 35 students in a class is 18 years. The average age of 25 students is 20. What is the average age of remaining 10 students?	Options.
A) 17 years B) 16 years C) 15 years D) 14 years E) 13 years
Sum of the ages of 14 students   = (18 * 35) - (20 * 25) = 630 - 500= 
<gadget id="calculator">630 - 500</gadget>
<output>130</output>
130   Required average= (130/10)= 
<gadget id="calculator">(130/10)</gadget>
<output>13</output>
13 years.   Answer:13 years
<result>E</result>
The average of 35 students in a class is 18 years. The average age of 25 students is 20. What is the average age of remaining 10 students?