Conditions;
(A) There are six members in a family – A, B, C, D, E & F, including two married couples.
(B) Two of them are doctors, one is a teacher, one is a clerk & two are the artists. Both the doctors are of same gender.
(C) A & C are in the same profession.
(D) Teacher is married to a doctor & an artist is married to clerk.
(E) A is an artist & E is male doctor. Both are unmarried.
(F) F is a husband of B.
Who is a clerk ?

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The diagram below represents the students who study Physics, Chemistry and Mathematics. Study the diagram and identify the region which represents students who study both Physics and Chemistry but not Mathematics?

In the following series find the missing numbers.
5, 13, 40, 104,?

Find the number at question mark in the following image?

Complete the following alphabet series.
ABC, PQR, DEF, STU, ?

Directions: In each of the following questions, four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one. 

Direction: Select the related word from the given alternatives.

11 : 169 :: 18 : ___