What different types of scholarships are there? And how to make sure to choose the right one?

there are many type of scholarships available in universities and collages most commonly used are paid and non paid

You will need to check the internet to see those scholarships

Ooof, there are lots. Lots. I don't even know how many - each country offres numerous choices 

Some scholarships for college are merit-based. You earn them by meeting or exceeding certain standards set by the scholarship-giver. Merit scholarships might be awarded based on academic achievement or on a combination of academics and a special talent, trait, or interest. Other scholarships are based on financial need.

Many scholarships are geared toward particular groups of people; for instance, there are scholarships for women or high school seniors. And some are available because of where you or your parent work, or because you come from a certain background (for instance, there are scholarships for military families).

A scholarship might cover the entire cost of your tuition, or it might be a one-time award of a few hundred dollars. Either way, it’s worth applying for, because it’ll help reduce the cost of your education. 

The scholarships for education and research depends on the country and governemnts and private organizations. Students must possess good knowledge of available scholarships to avail them