Find the average of first 10 multiples of 7	Choose the correct choice from the following options
A) 35.5
B) 37.5
C) 38.5
D) 40.5
E) None of these
Explanation:   =7(1+2+3+...+10)10   =7(10(10+1))10×2   =7(110)10×2=38.5   Answer: Option 38.5
<result>C</result>
Find the average of first 10 multiples of 7