In a pile of reading material, there are novels, story-books, dramas and comics. Every novel has a drama next to it, every story-book has a comic next to it and there is no story-book next to novel. If there be a novel at the top and the number of books be 40, the order of the books in the pile is :
Answer: B. ndsc
Clearly the sequence is : novel, drama, story-book, comic i.e. ndsc