As a rule, fast food chains are pretty ubiquitous. In the U.S., you're bound to run into a carry-out or drive-thru spot very near where you live. Your immediate guess for the chain with the most locations might have something to do with the golden arches ...

“This strategy is based on the idea that odd numbers are more trustworthy. If the price ends in an odd number, customers are more likely to purchase it. Odd numbers are also thought to be more memorable, which may help you recall and recommend products,” they said.

Many fast-food chains rely on soft-serve or mixes for their milkshakes, but a few stay true to tradition and make theirs with real ice cream. Find out which ones.

Remember when fast-food chains promised a hearty and hot meal for cheap? These days most of the popular chains — including McDonald's, Taco Bell, and Panera — are not only more expensive but the quality has gone downhill,

In a study shared by an online marketplace connecting language learners with tutors called Preply, three fast food chains were identified as being overpriced in terms of what they offer to consumers.

We scoured fast food menus to find the most expensive burgers in the U.S., and Five Guys, Shake Shack, Carl's Jr. and more chains topped the list.