| Question | Which of the following water sources is situated in the border of Bengal and Sikkim? | |
| Type | multiple_choice | |
| Option | Whistle Khola waterfall | incorrect |
| Option | Talboria lake | incorrect |
| Option | Changey waterfall | correct |
| Option | Bhangzang lake | incorrect |
| Solution | Situated approximately 34 kilometers north of Kalimpong in West Bengal, the mesmerizing Changey Waterfall is located in close proximity to the border of Sikkim. | |
