Q. Where was the world's first oil-well drilled in the nineteenth century ? (Solved)
1. Baku in Russi
2. Titusfills in Pennsylvania, U.S.A.
3. Digboi in Assam, India
4. Dhahran in Saudi Arabia
- b. Titusfills in Pennsylvania, U.S.A.
1. Baku in Russi
2. Titusfills in Pennsylvania, U.S.A.
3. Digboi in Assam, India
4. Dhahran in Saudi Arabia