137: Among the Indian states shown labelled 1, 2, 3 and 4 in the rough outline map given, the correct sequence of descending order of per cent of scheduled tribe population to their total population is :
(a) 1, 3, 2, 4
(b) 3, 1, 2, 4
(c) 3, 1, 4, 2
(d) 1, 3, 4, 2
139: Consider the following rivers:
1. Vamsadhara
2. Indravati
3. Pranahita
4. Pennar
Which of the above are tributaries of Godavari?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 2 and4
(d) 2 and 3 only