In the  following question, select the odd letters from the given alternatives.

Which of the following numbers will replace the question mark (?) in the given series?

5103, 1701, 567, ?, 63, 21

By Interchanging the given two numbers which of the following equation will be correct?
 1 and 7

Select the option in which the pair of letter-clusters share the same relationship as that shared by the given pair of letter clusters.

ROP : NMP :: ?

A # B means ‘A is the sister of B’.
A @ B means ‘A is the son of B’.
A & B means ‘A is the father of B’.
A % B means ‘A is the mother of B’.
If W & Q # T & Y @ M % K, then how is W related to K?

Instructions Study the following information carefully and answer the questions given below :
P,T, M, J, V, R and W are seven friends studying in a college. Three of them are in B.Sc. and two each are in B.A. and B.Com. Each of them has a favourite colour from Blue, Red, Yellow, White, Black, Violet and Brown, not necessarily in the same order. None of them studying in B.Sc. likes either Red or Black. M is in B. A. and likes Blue. R is in B.Com. and likes Brown. J is in B.Sc. and likes Yellow. P who does not like Red is in the same discipline of R, and T is in the same discipline of M. V does not like Violet. 

What is the colour combination of those who are in B.Sc. ?

Select the option in which the letters share the same relationship as that shared by the given pair of letters.

JT : NX

Direction: Study the following information carefully and answer the given questions.
Eight persons A, B, C, D, E, F, G, and H are seated in a linear row, some of them are facing North while others are facing South. H sits second to the left of E, who sits at an end of the row. D sits to the immediate right of A, who faces the South. C sits second to the left of D, who faces the same direction as E. H, who is not an immediate neigh bour of A, faces the opposite direction of E. F, who is not a neigh bour of E or H, faces the opposite direction of C. B faces the South. G sits second to the right of B. E and G face the same direction. C and D do not face the same direction. E and G does not sit adjacent to each other.

Four of the following five are alike in a certain way and thus form a group. Find the one that does not belong to the group.