Which rivers of Rajasthan drain into the sea?

1) Banas

2) Saraswati

3) Luni

4) Ghaggar

a. Only 2

b. Only 3 and 4

c. Only 2 and 3

d. None of the above

ANSWER: None of the above

Explanation:

Luni, Machhu, Rupen, Saraswati, Banas, Ghaggar, etc. are Desert Rivers which do not drain in the sea. Some drain into salt lakes with no outlet to the sea.