What will come at the place of the question mark?
4, 8, 10, 14, 16, 20,?

Question: What will come at the place of the question mark?
4, 8, 10, 14, 16, 20,?

Solution:
The above series contains two sub-series in it.
4, 10, 16, 22
8, 14, 20
For each of both terms, there is a difference of 6. The next term is 6 greater than the previous term.