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

121, 169, 289, ?, 529, 841

Directions: Study the information carefully and answer the following questions:
A building has eight floors from 1 to 8 in such a way that ground floor is numbered 1, the above floor is
 numbered 2 and so on. The top most floor is numbered 8. Eight persons G, P, M, R, Q, A, D and C are staying each on one of these floors. A is staying on floor 6. There is a gap of three persons between G and R. C is staying on the topmost floor. Neither P nor M is staying on the floor 5. Q is staying middle of P and M. R is staying on the floor 1. M is not an immediate neighbour of G.

Who is staying on the second floor?

Seven persons are sitting around a circular dining table facing the towards the centre. S is sitting to the immediate left of Y and third to the right of R. R is sitting to the immediate left of A and immediate right of P. A is sitting to the immediate left of D. Q is sitting to the immediate left of P. If D exchanges seat with Y and P with Q, then who is sitting to the immediate right of D?

DIRECTIONS: These questions are based on the following information.
Eight persons A, B, C, D, E, F, G and H are sitting in a row facing North. Only two persons are sitting to the left of D. A is adjacent to G and F. E is at one of the ends and three persons are sitting between him and G.

If C is adjacent to G and H is at one of the ends, then who is third to the left of G?

Select the option that is related to the fifth term in the same way as the second term is related to the first term and fourth term related to third term.
 9 : 270 :: 15 : 450 :: 13 : ?

Select the related word/letters/number from the given alternatives.

Cobbler : Leather :: Tailor :?

Select the option that represents the correct order of the given words as they would appear in an English dictionary.
 1. Negotiation
 2. Negate
 3. Networking
 4. Negligible
 5. Newspaper

Directions :Study the following information carefully and answer the given questions.
L. M. N, O, P, Q , R and S are sitting around a circular table facing the centre but not necessarily in the same order . P sits third to left of M. P is an immediate neighbour of both o and S. Only one person sits between O and Q. R is an immediate neighbour of O. Only one person sits between R and N. 

What is the position of L with respect to P in the above arrangement?