Verbal Reasoning - Mental Ability Questions

In a class, seven students are standing in a row. Q is standing left to R but right to P. O is standing right to N and left to P. Similarly, S is standing right to R and left to T. Find out who is standing in the middle ?

Choose the correct alternative that will continue the same pattern and replace 'x' in the series 6834,6151,5536,4983,x

Perch : Fresh Water :: ? : Salt water

Wood : Ghacoad :: Coal : ?

Who is the immediate right of D?

Consider the following information and answer the questions based on it.

Out of the 75 birders, 15 wanted to see only sunbird, 10 wanted to see only flycatcher, 12 wanted to see both sunbird and nuthatch, 15 wanted to see only bee-eater, 13 wanted to see both sunbird and bee-eater, 5 wanted to see both flycatcher and nuthatch and the remaining wanted to see only nuthatch.

The ratio of birders who like nuthatch to those who like bee-eaters is

Deepak said to Nitin, "That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak ? 

Study the following figure and answer the questions given below.

By which number, the trained unmarried lecturers in the college are represented?