Colour the circles with odd numbers blue and even numbers green.  

Rewrite the following numbers in descending order.

$64, 39, 25, 94$

Rewrite the following numbers in ascending order.

$60, 67, 65, 61$ 

Smaller number formed by the digits $4$ and $7$ is _____.

Bigger number formed by the digits $8$ and $3$ is _____.