Mathematics · Series, Patterns & Logical Reasoning · page 5 of 6

Alphabetical and Alphanumeric Series MCQs with Answers

53 MCQs with answers.

Timed quizzes, instant results, track your progress — free

Practice these MCQs in the app

All Mathematics chapters

Alphabetical and Alphanumeric Series MCQs (41–50)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Answers and one-liners are hidden. Tap an option to check that question, or show all.

41.
Which pair comes next in the following series? A, Z, B, Y, _, ?
Correct Answer: C. C, X
One-liner
The next pair in the series is C, X.
42.
What will come next in the series: A, BB, CCC, DDDD, ?
Correct Answer: A. EEEEE
One-liner
The next term in the series is EEEEE — each term uses the next alphabet letter repeated as many times as its position number.
43.
Find the odd one out: R, O, L, H.
Correct Answer: B. O
One-liner
The odd one out is O because it is a vowel, while R, L, and H are all consonants.
44.
Find the missing letter: Group 1 = B, E, H Group 2 = M, O, Q Group 3 = R, _, T.
Correct Answer: A. S
One-liner
The missing letter is S, as each group follows a pattern of skipping one letter between consecutive terms.
45.
Find the missing letter: A, D, H, M, S, ?
Correct Answer: A. Z
One-liner
The missing letter is Z because the gaps between consecutive letters increase by 1 each time: A (+3)→ D (+4)→ H (+5)→ M (+6)→ S (+7)→ Z.
46.
In the following series, what comes next? $1$, $A$, $9$, $I$, $17$,
Correct Answer: B. $Q$
One-liner
The next term in the series is $Q$.
47.
Number of alphabets between T and Y is?
Correct Answer: B. 4
One-liner
The number of alphabets between T and Y is 4 (U, V, W, X).
48.
What number comes next in the following series: ABCD, BCDF, CDEF, DEFG?
Correct Answer: A. EFGH
One-liner
The next term in the series is EFGH.
49.
Which of the following can be arranged into a 5-letter English word?
Correct Answer: D. R I L S A
One-liner
The letters R, I, L, S, A can be rearranged to form the word RAILS.
50.
If $A + H_2 = 7$, then what is $Z - O$?
Correct Answer: A. $11$
One-liner
The value of $Z - O$ is $11$.

Previous chapter: Number Series Next chapter: Coding and Decoding

Alphabetical and Alphanumeric Series MCQs with Answers

Alphabetical and Alphanumeric Series MCQs (41–50)

Subjects

Exams

Platform

Legal