| Question | Which is the easternmost river of the North Bengal Plains? | |
| Type | multiple_choice | |
| Option | Torsa | incorrect |
| Option | Raidak | correct |
| Option | Mechi | incorrect |
| Option | Pagla | incorrect |
| Solution | Raidak, located in the easternmost part of the North Bengal plains, is a significant tributary of the Brahmaputra River. | |