|A) If the data in statement I alone are sufficient to answer the question||B) If the data in statement II alone are sufficient answer the question|
|C) If the data either in I or II alone are sufficient to answer the question;||D) If the data even in both the statements together are not sufficient to answer the question|
From statement I, we conclude that Manohar's birthday is on January 14. which is Thursday. this year.
So, only I is needed.