A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.
Input: go now 53 39 18 for again 66
Step 1 : 66 go now 53 39 18 for again
Step 2 : 66 again go now 53 39 18 for
Step 3 : 66 again 53 go now 39 18 for
Step 4 : 66 again 53 for go now 39 18
Step 5 : 66 again 53 for 39 go now 18
Step 6 : 66 again 53 for 39 go 18 now

Input: trees 18 27 desk are 91 hour zero 31 16 chairs.
Which of the following will be step 4?

2, 15, 4, 47, 7, 118, 11, ?,?

There is a group of five persons, namely of  A, B, C, D & E
i) ‘A’ is shorter than "B". But taller than E
ii) 'C' is the Tallest
iii ) 'D' is shorter than B, but taller than 'A'.
Reply the following questions on the basis of above information.
If all five persons stand according to height, then who will be in mid of them? 

Find the next term in the following series.
ZA5, Y4B, XC6, W3D, _____

A, B, C, D, E and F are cousins. No two cousins are of the same age, but all have birthday on the same date. The youngest is 17 years old and E the oldest is 22 years old. F is somewhere between B and D in age. A is older than B. C is older than D.
 Which of the following statement is not possible?

After starting from his house. Naren walked a few meters towards the east. From there, he took a right turn and walked 80m. and then took a left turn and walked 20 m. Finally, he took a right turn again and walked 40 m to reach the hospital . If the air distance between his house and the hospital is 130 m. how far did Naren walk towards the east initially? 

Pea-hen : Pea - cock :: Bitch : ? 

Find out the odd word/letters/ number/number pair from the given alternatives.