A. What comes next? 5, -15, 45, -135, …
1. 405, 1215, 3645
2. 675, -3375, 16875
3. 405, -1215, 3645
4. 405, -1215, -3645
B. What comes next? 1/3, 1, 5/3, 7/3, …
1. 3, 10/3, 4
2. 11/3, 13/3, 5
3. 3, 11/3, 13/3
4. 10/3, 4, 14/3
C. What comes next? 4, -1, -6, -11, …
1. -16, -21, -26
2. -16, 21, -26
3. -18, -21, -30
4. -18, 21, -30