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    What should come in place of ? in the given series?57, 62, 72, 77, 87, ?
    Question

    What should come in place of ? in the given series?
    57, 62, 72, 77, 87, ?

    A.

    94

    B.

    93

    C.

    92

    D.

    91

    Correct option is C

    the given number series:
    57, 62, 72, 77, 87, ?
    Identify the pattern
    Find the difference between consecutive terms:
    62 - 57 = 5
    72 - 62 = 10
    77 - 72 = 5
    87 - 77 = 10
    Logic = The pattern alternates between +5 and +10.
    Apply the pattern to find the missing number
    87 + 5 = 92
    Final Answer:
    92
    Correct Option:
    C) 92

    Alternate solution

    57 62 72 77 87 ?
    +5, +10, +5, +10, +5
    ? = 87 + 5 = 92

    hence option c is correct.

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