Alphabet Test Questions

How many pairs of letters are there in the word 'SEQUENTIAL' which have as many letters between them as are in the alphabet ? 

Two letters in the word 'LEMON' have as many letters between them in the word as in the alphabet Which one of the two letters comes earlier in the alphabet ? 

From the word 'BEHIND', how many independent words can be made without changing the order of the letters and using each letter only once ?  

If all the letters in the word  MERCIFUL are rearranged in alphabetical order and substituted by the alphabet preceding them in the English alphabet. What will be the new arrangement of letters?

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

 ___ utt ___ tt ___ ttu ___   

If it is possible to form a word with the first , fourth, seventh and eleventh letters in the word "SUPERFLUOUS" write the first letter of that word. other wise x is the answer.

How many meaningful English words can be formed with the letters A, L, W using each letter only once in each word  ?

If the letters in the word DOLPHIN are rearranged as they appear in English alphabetical order, which of the following letters, will be the fifth from left?