1. Which river forms the famous Dhuandhar Falls? 2. Which river is known as the 'Old Ganga' or 'Vridha Ganga'? 3. The Godavari river originates from which place? 4. The Yamuna river is a tributary of which river? 5. Which river is known as the 'Lifeline of Madhya Pradesh'? 6. Which river is known as 'Dakshin Ganga'? 7. The Brahmaputra river enters India in which state? 8. Which river is called the 'Sorrow of Bengal'? 9. The Ganga river originates from which glacier? 10. The Tapti river flows into which gulf?