Three of the following four words are alike in a certain way and one is different. Pick the odd word out.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? 

_cca_a_ca_ac_ab

Directions: Study the following information carefully and answer the given questions: 

Eight friends A, B, C, D, W, X, Y and Z are sitting around a square table in such a way that four of them sit at four corners of the square while the other four sit in the middle of each side. The ones who sit at the four corners face outside while those who sit in the middle of the sides face inside.
C is an immediate neighbor of A, who faces the center. W sits second to the left of C. Y sits fourth to the left of W. Two persons sit between Y and D (either from left or right). C is not an immediate neighbor of D. B sits second to the right of D. X sits second to the right of B.

Who among the following sits between B and C, when counted from the right of B?

Direction : Study the following information carefully and answer the questions given below:
Six persons are sitting in a row facing to the north and they have different ages but not necessarily in the same order. C sits 3rd from one of the end. The one who is 12 year old sits 2nd to the right of C.
The number of persons sit right of the one who 12 year old is same as the number of persons sit to the left of D. O sits 2nd to the right of the one who is 6 year old. Two persons sit between D and B, whose age is twice than D. N sits to the right of P. The one who 36 year old sits 3rd to the left of the one who 15 year old. The age of O is 18 year.

What is the total age of C and B?

In each of the following letters series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
aa _ _ aba _ bca _ aab _ a _

Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is NOT allowed).
 (16, 7, 37)
 (28, 9, 55)

Select the option that represents the correct order of the given words as they would appear in an English dictionary.
 1.Adequate
 2. Adoption
 3. Addiction
 4. Abduction
 5. Advertisement

Directions: Read the given information carefully and answer the following questions:

7 Persons Ram, Mani, Rupa, Mano, Sahil, Saroja, and Ravi are sitting in a linear row facing north. They all like different flowers i.e., Rose, Lily, Jasmine, Marigold, Lotus, Daisy, and Orchid but not necessarily in the same order.

Ravi, who doesn't sit at the extreme ends, sits third to the right of Mani. The number of persons sitting to the right of the one, who likes Orchid is same as the number of persons sitting to the left of Rupa. The one, who likes Lily sits immediate right of Rupa, who sits to the left of Mani. Sahil sits third to the left of Ram, who likes Marigold. Mano sits to the right of Ram. The number of persons sitting to the left of the one, who likes Jasmine is two more than the number of persons sitting to the right of Mano. The one, who likes Rose sits to the left of the one, who likes Daisy. Saroja likes Lotus but does not sit adjacent to Ravi.

Who sits second to the left of the one, who likes Lotus?