In the following diagram find the number at the question mark.

Rajan is ranked 11th in the list of successful boys in a class and at 31st from the bottom. Three boys did not take the exam at all and one failed. How many students are there in the class?

Which of the following diagram indicates the best relation between Spinach, Brinjal, and Vegetables?

Pointing to a woman in a photograph a man says she is the mother-in-law of the wife of the father of my only son. How is the woman related to man? 

Six Friends-A,B,C,D,E and F are sitting on a hexagonal table to play a game, but not necessarily in the same order. F is exactly in front of A, who is exactly at the right side of B. D is in the middle of F and B and Exactly in front of C.

Between persons of which pair from the following, A is sitting?

‘DEAN’ is related to ‘NDAE’ and ‘ROAD’ is related to ‘DRDO’ in the same way as ‘SOME’ is related to ___?

B is twice as old as A but twice younger than F. C is half the age of A but is twice older than D. Who is the second oldest? 

Some friends are sitting on a bench. Anil is sitting near Anita and Ajay is sitting near Rekha. Rekha is not sitting with Amit. Amit is sitting at the left end of the bench and Ajay is sitting at the second position from the right end. Anil is sitting at the right side of Anita and Amit as well as. Anil and Ajay are sitting adjacent to each other.

Where is Amit?