Three of these letter groups follow the same pattern. Which one is the odd one out: BDG, EGI, RTV, MOQ?

💡 Solution & Explanation

In EGI, RTV, MOQ, each letter is 2 places after the one before it (for example E = 5, G = 7, I = 9). In BDG the steps are 2 and 3, so it is the odd one out.