Find the missing term in the following series. FCIR, GELR, HGOR, IIRR, ?

Refer to the following letter series and answer the question. (Counting is to be done from left to right only). (Left) Z M L Q B X K C H A W V N T R Y D F J P I A U K E O X Z (Right) How many such vowels are there, each of which is immediately preceded by a vowel and immediately followed by a vowel?

Refer to the following number and symbol series and answer the question. Counting is to be done from left to right only. (All numbers are single-digit numbers only). (Left) 2 ^ 7 ? $ % < ? 4 3 \ & * @ # < 6 7 + 3 # (Right) How many such numbers are there, each of which is immediately preceded by a symbol and also immediately followed by a symbol?

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? IDL167, CXF144, WRZ121, QLT98, ?

A series GD, DI, AP, XY, ______ is given with one term missing. Select the correct alternative from the given ones that will complete the series.

Select the letter that will replace the question mark (?) in the following series: T, Q, N, K, ?

Which is the wrong term in the given letter series? Q, P, N, C, M

Which term will come in place of the question mark (?) in the given letter-number series? L17X, P18T, T21P, X26L, ?

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? MUZ 243, OTW 81, QST 27, SRQ 9, ?