The correct answer is: c) East to west direction.
Bihar is a state in eastern India. It is bounded by Nepal to the north, Uttar Pradesh to the west, Jharkhand to the south, and West Bengal to the east. The state is drained by a number of rivers, including the Ganges, the Son, the Gandak, and the Kosi. These rivers generally flow in an east-to-west direction.
The Ganges is the most important river in Bihar. It flows through the state from north to south. The Son is the second largest river in Bihar. It flows through the state from east to west. The Gandak is a tributary of the Ganges. It flows through the state from west to east. The Kosi is a tributary of the Ganges. It flows through the state from east to west.
The rivers of Bihar are an important source of water for irrigation, drinking, and transportation. They are also a popular tourist destination.
Here is a brief explanation of each option:
- Option (a), North to south direction, is incorrect. The rivers of Bihar generally flow in an east-to-west direction.
- Option (b), South to north direction, is incorrect. The rivers of Bihar generally flow in an east-to-west direction.
- Option (c), East to west direction, is correct. The rivers of Bihar generally flow in an east-to-west direction.
- Option (d), West to east direction, is incorrect. The rivers of Bihar generally flow in an east-to-west direction.