6. Five young ladies were seated around a circular table. Miss Ong was sitting between Misṡ Lim and Miss Mak. Ellie was sitting between Cindy and Miss Nai. Miss Lim was between Ellie and Amy. Lastly, Beatrice was seated with Miss Poh on her left and Miss Mak on her right. What is Daisy's surname?
(A) Lim
(B) Mak
(C) Nai
(D) Ong
(E) Poh
6. Answer: (B)
Beatrice, being between Miss Poh and Miss Mak cannot be Miss Ong who was between Miss Lim and Miss Mak. This means that we have in order from the left, Miss Poh, Beatrice, Miss Mak, Miss Ong and Miss Lim. So Beatrice must be Miss Nai. Since Ellie was beside Miss Nai and also besides Miss Lim, she must be Miss Poh. This implies Cindy is Miss Lim and Amy was Miss Ong leaving Daisy as Miss Mak.