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? 

    7, 8, ?, 52, 209,

    1046
    A 29 Correct Answer Incorrect Answer
    B 19 Correct Answer Incorrect Answer
    C 17 Correct Answer Incorrect Answer
    D 26 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, The given series follows the following pattern: (7 X 1) + 1 = 8 (8 X 2) + 1 = 17 (17 X 3) + 1 = 52 (52 X 4) + 1 = 209 (209 X 5) + 1 = 1046

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