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

    Question

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

    16 23 31 40 50 61

    ?
    A 73 Correct Answer Incorrect Answer
    B 75 Correct Answer Incorrect Answer
    C 77 Correct Answer Incorrect Answer
    D 80 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    16+7 = 23 23 + 8 = 31 31 +9 = 40 40 +10 = 50 50+11 = 61 61+12 = 73

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