On which day in January, Subhas left for Germany ? I. Subhas has so far spent 10 years in Germany. II. Subhas friend Anil left for Germany on 15th February and joined Subhas 20 days after Subhass arrival.

• If the data in statement I alone are sufficient to answer the question
• If the data in statement II alone are sufficient answer the question
• If the data either in I or II alone are sufficient to answer the question;
• If the data even in both the statements together are not sufficient to answer the question