Article Detail Which is longest river in world ? Answer: Nile, Africa Similar Questions : 1. Which is smallest continent of world ? Answer: Australia 2. Which is the longest Platform ? Answer: Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters) 3. Which is the largest Zoo in the World ? Answer: Berlin Zoological Garden (Germany) 4. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 5. Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) 6. Which is Biggest ocean in the world ? Answer: Pacific ocean 7. Which is Largest Dome in World ? Answer: St. Peter's Basilica (Rome) Read more from - Longest and Largest