13.
The alternate name of river Brahmaputra is
Answer : B. Tsangpo
14.
The vaigai river rises in the
Answer : D. Varusanadu Hills
15.
Kolkata is situated on the banks of the river
Answer : B. Hooghly
16.
India's longest perennial river is
Answer : D. Ganga
17.
Which river has its source outside of India?
Answer : D. Brahmaputra
18.
Which one of the following river flows into the Arabian sea?
Answer : D. Narmada