The questions asked in a pub quiz normally fall into different categories, such as sport, film, and history, but they can also mix things up with more riddle or brainteaser-based questions that challenge you to think differently to come up with an answer.
He said he first heard the question "some years ago" when it caused "ructions" as people were convinced they had the right answer - despite many of them being incorrect.
Think very carefully about how many times the number 7 appears in the numbers 1 to 100, and when you think you've got the answer, scroll down to see the solution.
In a video on TikTok, radio presenter Rob Gormley posed the pub quiz question he "still uses to this day to annoy people".
It might seem simple enough, but many people make the same mistake when trying to answer the question.
