If the pattern is to add 3, then subtract 1, starting from 1, what is the 6th term?

Answer: A. 10
The sequence is: 1 (start), 4 (1+3), 3 (4-1), 6 (3+3), 5 (6-1), 8 (5+3), 7 (8-1), 10 (7+3). The 6th term is 10.