### If a, b, c, d, e are five consecutive odd numbers, their average is :

A. $5(a+4)$ B. $\Large\frac{\text { abcde }}{5}$ C. $5(\mathbf{a}+\mathbf{b}+\mathbf{c}+\ mathbf{d}+\mathbf{e})$ D. $\mathbf{a}+\mathbf{4}$ Answer: Option D

### Solution(By Apex Team)

Let five consecutive odd numbers are 1, 3, 5, 7, 9 Here, a = 1, b = 3, c = 5, d = 7, e = 9 According to the question, Average $\begin{array}{l } =\Large\frac{1+2+5+7+9}{5} \\ =\Large\frac{25}{5} \\ =5\end{array}$ Now check the option Option (D ) a + 4 Here a = 1 1 + 4 = 5 satisfy

A. 20
B. 21
C. 28
D. 32

A. 18
B. 20
C. 24
D. 30

A. 10 years
B. 10.5 years
C. 11 years
D. 12 years