Which is the only train which runs between Kolkata and Dhaka?
1). Dosti Express
2). Maitree Express
3). Bangla Express
4). Padma Express
1. Which one of the following countries celebrates Christmas festival in summer season
4. Around how much percent of earth's surface is covered with water?
5. 'Ganga Sagar Mela' fair is held in which state?
6. Which one of the following is most prone to earthquakes
7. What is the capital of Greece?
8. The Tropic of ____________ passes almost halfway through India.