$ sudo apt-get update
$ sudo apt-get install dnsmasq-base 

dnsmasq-base is installed in your system.

Make ensure the dnsmasq-base package were installed using the commands given below,

$ sudo dpkg-query -l | grep dnsmasq-base *

You will get with dnsmasq-base package name, version, architecture and description in a table

dnsmasq-base package basic information: