How many such pairs of letters are there in the word REGIONAL, 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 alphabetical series ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

DEW, ZAS, VWO, RSK, ?

Which of the following terms follows the trend of the given list?

XYXYXYZZ, XYXYXZZY, XYXYZZXY, XYXZZYXY, XYZZXYXY, _______.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

D, I, N, S, ?

Find the missing (?) in the series.

TUS, QRP, ?, KLJ, HIJ

Which of the following terms follows the trend of the given list?

ZYXYXYXY, XWXYXYXY, XYZYXYXY, XYXWXYXY, XYXYZYXY, ______.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

RIP, TLT, VOX, XRB, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

AL, EP, IT, MX, ?

In the following series, one letter is missing as shown by the question mark(?). Select the missing letter from the given options.

I, L, O, R, ?