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    Fill in the blank: 2, 6, 15, 31, 56, ?​​
    Question

    Fill in the blank:
    2, 6, 15, 31, 56, ?​​

    A.

    92

    B.

    104

    C.

    100

    D.

    85

    Correct option is A

    Given: 2, 6, 15, 31, 56, ?​​
    Logic: Numbers are increasing perfect square of natural number from 2.
    2 + 4 = 6
    6 + 9 = 15
    15 + 16 = 31
    31 + 25 = 56
    Next perfect square: 62= 36
    56 + 36 = 92
    So, the missing term is 92.
    Thus, correct option is (a).

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