In a family of six members A, B, C, D, E, and F, there are two males and four females. A is a teacher, B is a doctor, C is the sister of D, D is the brother of E, and F is the mother of A. Who among the following is a male?

B. B

Dog is to Bark as Cat is to ?

A. MEOW

Choose the pair of words that does not belong with the others.

C. WATER - FIRE

Which of the following groups is different from the others?

B. 14, 18

In a certain code, 'HELLO' is written as 'IFMMP'. How would 'WORLD' be coded in the same language?

A. XPSME