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

    Question

    Find the number in place of (?) in the given number series 

    1, 7, 37, 187, 937,

    ?
    A 4452 Correct Answer Incorrect Answer
    B 4687 Correct Answer Incorrect Answer
    C 4052 Correct Answer Incorrect Answer
    D 3365 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 1 × 5 + 2 = 7 7 × 5 + 2 = 37 37 × 5 + 2 = 187 187 × 5 + 2 = 937 937 × 5 + 2 = 4687

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