How to make such a test?

Question

Software testing

I don't know how to make a simple quiz similar to this: https://leto.mail.ru/article/v_rossii_li_eto_test/.
The user will answer if he knows where this city is, and the program will count the points and at the end give the result. What algorithms to use here?

Answer 1

And what is the difficulty, write the correct answers in the array and count the points for them.