Logical Reasoning

Sequence & Series

Medium

What should come in place of question mark (?) in the following series?

AYBZC, DWEXF, GUHVI, JSKTL, ?

MQORN

MQNRO

NQMOR

QMONR

✅ Correct Option: 2

Positions 1, 3 and 5 run forward through the alphabet in blocks of three: ABC, DEF, GHI, JKL, then MNO.

Positions 2 and 4 run backward in pairs: YZ, WX, UV, ST, then QR.

Interleaving gives M, Q, N, R, O, i.e. MQNRO.

2022: 8 Aug Shift 1

Complete the series;

52, 58, 60, 66, 70, 72, ....

2025: 29 May Shift 1

Find the next term in the alphanumeric series:

C5, D16, G24, L72, S48, ?

2022: 17 Aug Shift 1

In the following question arrange the given words in the sequence that occur in the dictionary.

a. Whiter

b. Wound

c. Writer

d. Worked

e. Worst

Choose the correct answer from the options given below:

2025: 27 May Shift 1

In the letter series, some of the letters are missing, which are given in the alternatives (A), (B), (C) and (D).

m n o n o p q o p q r _ _ _ _ s t u

(A) r

(B) s

(D) p

Choose the correct sequence from the options given below:

2023: 11 June Shift 2

Which number should replace the question mark?

2023: 19 June Shift 1

17th term of the A.P. 13, 16, 19, 22, 25, . . . . is :

Solution