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    Question

    What will come in place of the question mark (?) in the

    following series? 1, 9, 35, 91, 189, ?
    A 210 Correct Answer Incorrect Answer
    B 313 Correct Answer Incorrect Answer
    C 218 Correct Answer Incorrect Answer
    D 341 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Difference of terms:

    9 - 1 = 8 = 2┬│

    35 - 9 = 26 = 3┬│ - 1

    91 - 35 = 56 = 4┬│ - 8

    189 - 91 = 98 = 5┬│ - 27

    Now:

    Next difference = 6┬│ - 64 = 216 - 64 = 152

    189 + 152 = 341

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