Directions: Five students Ajita, Arjun, Chandni, Debu, Shashi have total five books on subjects Physics, Chemistry, Mathematics, Biology and Statistics written by authors Goyal, Kapur, Hansa, Sen and Basu.

Each student has only one book on one of five subjects and each author can write only one book. Goyal is the author of the Physics book which is not owned by Shashi or Ajita. Debu owns the book written by Basu. Chandni owns the Mathematics book. Shashi has the Statistics book which is not written by Kapur. Biology book is written by Sen.