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 \(=\)