The name of the biggest waterfall in India.

In which of the following states is the Wular lake located?

1. Rajasthan
2. Uttar Pradesh
3. Punjab
4. Jammu and Kashmir

The river Narmada has its source at

1. Satpura
2. Brahmagiri
3. Amarkantak
4. Slopes of the Western Ghats

Which one of the following lakes is a salt water lake?

1. Sambhar
2. Dal
3. Wular
4. Gobind Sagar