Multiple choice general knowledge math & puzzles Before Mount Everest was discovered, what was the highest mountain on Earth? Mount Everest kufri Ojos del Salado Huascarán Reveal answer Fill a bubble to check yourself A Correct answer Explanation This is a trick question - Mount Everest was always the highest mountain even before it was discovered. Discovery doesn't change physical reality. Kufri is a hill station, Ojos del Salado is in Chile, Huascaran is in Peru.