How many such pairs of letters are there in the word 'COMPUTER' each of which has as many letters between them in the word (in both forward and backward direction) as they have between them in English alphabetical series:

If the following words are arranged as per their order in the English dictionary, which word will fifth in the sequence?

1. Weekly
2. Weather
3. Weird
4. Weaver
5. Weight
6. Wielded

Which letter will replace the question mark (?) in the following series?

B, D, G, I, L, ?, Q

If all the letters in the word FIGURES are arranged in alphabetical order from left to right in such a way that vowels are arranged first followed by consonants, then how many letters are there in between U and R after the arrangement?

Select the letter-cluster that can replace the question mark (?) in the following series.

EFY, FID, GLI, HON, IRS, ?

How many such pairs of letters are there in the word 'TEACH' each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetic series?

Which letter cluster will replace the question mark (?) in the following series?
CGE, HJI, LPN, SUT, ?

Select the letter-cluster that can replace the question mark (?) in the following series.

FIY, HLD, JOI, LRN, NUS, $?$

Three of the following four letter-clusters are alike in a certain way and one is different.

Select the odd one.

 In the word "DOUBLE" two letters are such that number of letters between those two letters is as many as numbers of letters of alphabet. Find those two letters.

(A) B, E

(B) E, U

(C) O, L

(D) D, B