248 : 3 : : 328 : ?

Nikhilesh is taller than Arvind who is taller than Mahendra. Naresh is smaller than Suresh but taller than Nikhilesh. Who is the smallest?

DIRECTIONS: Study the following arrangement carefully and answer the questions given below.
W 3 # R @ E J K T 4 B 9 I H D U 8 1 H % A V 5 δ 7 M P 2 Q $ 6

How many such vowels are there in the above arrangement, each of which is immediately preceded by a symbol and immediately followed by a consonant? 

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.  
who is at second position in height. 

Select the related letter/ word/ number/ figure from the given alternatives.
PDT : ? :: LUB : 33

Which one set of letter when sequentially placed at the gaps in the given letter series shall complete it?
ab __ deabcdfb __ d __ gbcfg __ cf __ h __

Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.

PG : VM :: AB : ?

If it is possible to make a meaningful word with the second, fifth, seventh and eleventh letters of the word "EVAPORATION" which of the following will be third letter from left end of newly formed word? If more than one such word can be made, give X as answer and if no such word can be made, give Y as the answer.