A certain weight of freight is assigned to each pack mule, and a suitable number of men are employed to take care of, load and unload these animals when in camp.
He however forgot not to pay them toll by presenting them with a suitable number of the sheep.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "suitable number" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.