Question

1, 2, 3, 6, 7, 10, 11, ? what will be the next number?

Answer 1

next number is 15;
I think it is correct answer

Answer 2

Answer: 14

1, 2, 3, (4, 5, skip two) 6, 7, (8, 9, skip two) 10, 11, (12, 13, skip two) 14.