Of course, they'll also ask you some banking-specific questions, like "What's the difference between a credit and debit card?" or "Can you explain the concept of compound interest?" Do your research beforehand, so you're not caught off guard. It's not rocket science, but you do need to know the basics!
Did you know that the first ATM was invented in the 1960s? Funny fact: it was called the "De La Rue Automated Cash System" - quite a mouthful, right? Anyway, back to the interview... be ready to talk about customer service and how you'd handle a situation where a customer is unhappy with their account.
Bank Teller Interview Questions and Answers | Bank Teller Job Interview
Some other common questions might include "Can you tell me about a time when you went above and beyond for a customer?" or "How would you handle a situation where a customer is trying to withdraw more money than they have in their account?" Use examples from your past experience, even if it's not directly related to banking.