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

    Question

    Find the missing number in the following number series:

    5 6 15 40 89 170

    ?
    A 290 Correct Answer Incorrect Answer
    B 291 Correct Answer Incorrect Answer
    C 292 Correct Answer Incorrect Answer
    D 293 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    5 + 12= 6 6 + 32= 15 15 + 52= 40 40 + 72= 89 89 + 92= 170 170 + 112= 291

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