Answer:
1. 35, 32, 29, 26 are in Arithmetic Sequence having common difference - 3.
5. -7, -9, -11, -13 are in Arithmetic Sequence having common difference - 2.
Explanation:
1. 35, 32, 29, 26 are in Arithmetic Sequence having common difference - 3.
2. -1. 6, -36, 216 are not in Arithmetic Sequence.
3. -2, -4, -8, -16 are not in Arithmetic Sequence.
4. -1, 1, 4, 8 are not in Arithmetic Sequence.
5. -7, -9, -11, -13 are in Arithmetic Sequence having common difference - 2.
6. 1, -5, 25, -125 are not in Arithmetic Sequence. (Answer)