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    What would replace ?? in the triangle set ?
    Question

    What would replace ?? in the triangle set ?

    A.

    9

    B.

    11

    C.

    10

    D.

    12

    Correct option is C

    ​Let's examine the pattern in the triangle sets.

    First Triangle:

    Top number: 4
    Bottom left: 10
    Bottom right: 18

    Inner numbers: 6, 14, 8
    Check this relation:

    • 10 + 4 = 14

    • 4 + 14 = 18

    • 10 + 8 = 18

    Second Triangle:

    Top number: 8
    Bottom left: 14
    Bottom right: 22

    Inner numbers: 6, 14, 8

    • 14 + 8 = 22

    • 8 + 14 = 22

    • 14 - 6 = 8

    Same pattern is consistent.

    Third Triangle (incomplete):

    Top: 5
    Bottom left: 11
    Bottom right: 15

    We are given:

    • 5 + 6 = 11

    • 11 + 4 = 15

    • 5 + ?? = 15 → So, ?? = 10

    The correct answer is option C) 10

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