Direction: Four of the following are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

(1) TOQR
(2) YTUV
(3) KFHI
(4) WRTU
(5) QLNO

Rajiv is moving towards the south. He turns twice to the left and then to the right. Now which direction is there in front of him?

In a certain code 'SEQUENCE' is coded as 'FDOFVRFT. How is 'CHILDREN' coded in that code?

Pointing to a picture, Mahesh says that she is the sister of my son's mother. What is the relation of the person in the photograph to Mahesh?

Ravi is 7 ranks ahead of Summit in a class of 39. If Sumit's rank is seventeenth from the last, what is Ravi's rank from the start? 

Select the term that will come next in the following series.
OBE, PDH, QFK, RHN, ?

A man goes 24 m due west and then 10 m due north. Then the distance of him from the starting point is