How many stations are there while going from station ‘A’ to station ’B’?
Statements:
I. Station ‘G’ precedes station ‘ B’ and station ‘K’ is next station after station ‘A’.
II. Station ‘M’ is third from ‘K’ and there are 4 stations between M and B.
If the data in both statements I and II together are necessary to answer the question.
Combing I and II,
We get AK _ _ M _ _ _GB