Civil Services Examination · प्रश्न 76
Let p + q = 10, where p, q are integers. Value-I = Maximum value of p × q when p, q are positive integers. Value-II = Maximum value of p × q when p ≥ -6, q ≥ -4. Which one of the following is correct?
उत्तर देखें और व्याख्या
उत्तर: (C) Value-I = Value-II
व्याख्या
In both cases the maximum is at p = q = 5, giving 25. (Answer as per the official UPSC answer key.)