17. Three mark exercise problems II

1. The password to access my ATM card includes the digits $9$, $4$, $6$ and $8$. It is the smallest $4$ digit even number. Find the password of my ATM card.

 

 

Password $=$

 

2. Postal Index Number consists of six digits. The first three digits are $6$, $3$ and $1$. Make the largest and the smallest Postal Index number by using the digits $0$, $3$ and $6$, each only once.

 

 

Largest postal number $=$

 

Smallest postal number $=$