New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

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

    81, 83, 87, 95, 111,

    ?
    A 143 Correct Answer Incorrect Answer
    B 166 Correct Answer Incorrect Answer
    C 152 Correct Answer Incorrect Answer
    D 250 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 81 + 21 = 83 83 + 22 = 87 87 + 23 = 95 95 + 24 = 111 111 + 25 = 143

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