hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    Study the given pattern carefully and select the numbers from among the given options that can replace the question marks (?).
    Question

    Study the given pattern carefully and select the numbers from among the given options that can replace the question marks (?).

    A.

    2 ; 5 ; 7

    B.

    11 ; 9 ; 20

    C.

    12 ; 18 ; 30

    D.

    7 ; 10 ; 17

    Correct option is B

    Logic-  square root of  first num + square root of second number = third number
    52, 82 = 5 + 8 = 13
    122, 62 = 12 + 6 = 18
    112, 92 = 11 + 9 = 20

    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