General Studies · Data Sufficiency

A question is given followed by two statements numbered (I) and (II). Decide whether the data provided in the statements is sufficient to answer the question: Question: The chairman of a big company visits any one department on Monday of every week except for the Monday of the third week of every month. On which day did he visit the Purchase department? Statements: (I) He visited the Accounts department in the second week of September after having visited the Purchase department on an earlier occasion. (II) He visited the Purchase department immediately after visiting the Stores department but before visiting the Accounts department.