Question

Find the mean of the first five multiples of $7$.

• A. $18$
  
• B. $20$
• C. $15$
• D. $24$

Answer 1

Answer: (C)

$15$

First five multiples of 7 are 7. 14, 21, 28, 35

Mean=$\frac{7(1+2+3+4+5)}{7}=15$