data sufficiency - the president of a reputed company visits one department on monday of every week except for the monday of third week of every month when did he visit the purchase department i he visited accounts department in the second week of - skillgun

Please read the below given text for solving the question Each question given below has a problem and two statements numbered I and II giving certain information. You have to decide if the information given in the statements is sufficient for answering the problem. Indicate your answer as (a) if the data in the statement I alone is sufficient to answer the question; (b) if the data in the statement II alone is sufficient to answer the question; (c) if the data either in I or II alone are sufficient to answer to question; (d) if the data even in both the statements together are not sufficient to answer the question; (e) if the data in both the statement together are needed.

From statement I, we can conclude that the president visited purchase department on Monday of the first week of September.
So, I alone is sufficient.
The time of visit of no department is mentioned in II, which is, therefore, insufficient.