### The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 would be :

A. 312 B. 222 C. 213 D. 303 Answer: Option A

### Solution(By Apex Team)

$\begin{array}{l}\text{According to the question,}\\ \text{Largest number = 420}\\ \text{Smallest number = 204}\\ \text{Average}\\ =\Large\frac{420+204}{2} \\ =\Large\frac{624}{2} \\ =312 \end{array}$

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