The average of the marks of 10 students in a class is 80. If the marks of each student are doubled, find the new average?
Choose the correct choice from the following options:
A) 80
B) 120
C) 160
D) 270
E) 110
Sum of the marks for the 10 students   = 10 * 80= 
<gadget id="calculator">10 * 80</gadget>
<output>800</output>
800. The marks of each student are doubled, the sum also will be doubled.   The new sum= 800 * 2= 
<gadget id="calculator">800 * 2</gadget>
<output>1_600</output>
1600. So, the new average= 1600/10= 
<gadget id="calculator">1600/10</gadget>
<output>160</output>
160.   Answer:160
<result>C</result>
The average of the marks of 10 students in a class is 80. If the marks of each student are doubled, find the new average?