Question

Look at this series. 7, 10, 8, 11, 9, 12, ... what number should come next? (logical reasoning)


a. 7 b. 10 c.12 d. 13

Answer 1

10. look at the alternate digits, it's 7, 8, 9, 10 for the first alternate sequence. the second alternate sequence being 10, 11, 12, 13