Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Sequences and Series Arithmetic Progressions
The common difference of the sequence 9, 5, 1, -3, -7 is ________.
1
4
2
-4
3
3
4
More than one of the above
5
None of the above