Puzzle: Find The Missing Number What number should be at “?”. There is no typo in the last circle. Share this:TwitterFacebookLike this:Like Loading... Related 6 thoughts on “Puzzle: Find The Missing Number” Add yours 15/14 LikeLike Reply How? Why? LikeLike Reply b cos 36-21=15&28-15=13, but 21-13=8 and not 7. from bottom 21-7=14 LikeLike All must be complying to same logic/formula LikeLike Wrong LikeLike 15 LikeLike Reply Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email. Notify me of new posts via email. This site uses Akismet to reduce spam. Learn how your comment data is processed.