hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    Select the option that will fill in the blank and complete the series. PE11, QD2, RC9, SB4, ____
    Question

    Select the option that will fill in the blank and complete the series.
    PE11, QD2, RC9, SB4, ____

    A.

    RA6

    B.

    TA7

    C.

    BA7

    D.

    TA6

    Correct option is B

    Given: PE11, QD2, RC9, SB4, ____
    Logic: In this given alphabetical series, the first letter is increased by 1, the second letter is decreased by 1, 
    1st number series is 11, 9, 7, .....
    2nd number series is 2, 4, 6, ....
    First letter: P + 1 = Q; Q + 1 = R; R + 1 = S; S + 1 = T
    Second letter: E - 1 = D; D - 1 = C; C - 1 = B; B - 1 = A
     TA7 is the missing term in the series.
    Thus, the correct answer is (b).

    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

    Similar Questions

    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