Before Mont Everest was discovered, what was the highest mountain in the world? Ah! Click here to read the solution. It was still Mont Everest. It was not discovered yet. 🙂 Share Brain TeaserFacebookGoogle+TwitterPinterestLinkedIn Related Brain Teaser:The Cassette RecorderJanuary 18, 2018Crack The CodeJanuary 18, 2018The Crime SceneJanuary 18, 2018The ShooterJanuary 18, 2018