arrow
arrow
arrow
Select the term that can replace the question mark (?) in the following series.AB, EFG, KLMN, ?, CDEFGH
Question

Select the term that can replace the question mark (?) in the following series.
AB, EFG, KLMN, ?, CDEFGH

A.

XYZAB

B.

PQRS

C.

STUVW

D.

OPQR

Correct option is C

Given:
AB, EFG, KLMN,?, CDEFGH
Logic: ​The number of letters in each term increases sequentially: 2, 3, 4, 5, 6.
Observing the starting letters:
A+4 → E+6 → K+8 → S+10 → C
So, he missing term should start with S and have 5 letters.
According to options: STUVW fits the pattern.
Thus, the correct option is: (c)​​

Free Tests

Free
Must Attempt

CBT-1 Full Mock Test 1

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

RRB NTPC Graduate Level PYP (Held on 5 Jun 2025 S1)

languageIcon English
  • pdpQsnIcon100 Questions
  • pdpsheetsIcon100 Marks
  • timerIcon90 Mins
languageIcon English
Free
Must Attempt

CBT-1 General Awareness Section Test 1

languageIcon English
  • pdpQsnIcon40 Questions
  • pdpsheetsIcon30 Marks
  • timerIcon25 Mins
languageIcon English
test-prime-package

Access ‘RRB NTPC’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow