Identify the number that does NOT belong to the following series. 

49, 98, 196, 394, 784, 1568

Direction: Study the following information carefully and answer the question given below:
 Five persons A, G, K, L and S purchase some items one After other. Two persons bought between A and the one who bought Chair. S does not buy wallet. G purchase immediately before K but none of them bought Chair. Three persons bought between the one who purchase chair and the one who purchase table. Only two persons bought between the one who purchase wallet and the one who purchase table. Bag is purchased immediately before perfume. Only two persons bought between L and the one who purchase perfume.

Who among the following purchases Perfume?

Which letter-cluster will replace the question mark (?) to complete the given series?

QML, PRC, OWT, NBK, ?

Three of the following letter-clusters are alike in some manner and hence form a group. Which letter-cluster does not belong to that group?

Which letter-cluster will replace the question mark (?) to complete the given series?

DAJ, GEL, JIN, MMP, ?

Select the c orrect combination of mathematical signs to replace the * signs and to balance the given equation.
 78 * 3 * 12 * 5 * 59 * 17 * 44 

Directions: Study the given information carefully to answer the given question.

M, N, O, P, Q, R and Sare seven people live on seven different floors of a building but not necessarily in the same order. The lower most floor of the building is numbered 1, the one above that is numbered 2 and so on till the topmost floor is numbered 7. Each one of them have different income i.e. 3500, 15000, 7500, 9000,11000, 13500 and 5000. (But not necessarily in the same order.)

M lives on an odd-numbered floor but not on the floor numbered 3. The one who has income of 11000 lives immediately above M. Only two people live between M and the one who has income of 7500.

The one who has income of 15000 lives on one of the odd-numbered floors above P. Only three people live between O and the one who has income of 15000. The one who has income of 7500 livesimmediately above O. R earns 4000 more than Q. The one who has income of 3500 lives immediately above the one who has income of 5000.Only one person lives between N and Q. N lives on one of the floors above Q. Neither O nor M has income of 9000. Q does not has income of 7500.

How much income R has?

Which letter-cluster will replace the question mark (?) to complete the given series?

FHG, IKJ, LNM, ?