Civil Services Examination · प्रश्न 78
The average of three numbers p, q and r is k. p is as much more than the average as q is less than the average. What is the value of r?
उत्तर देखें और व्याख्या
उत्तर: (A) k
व्याख्या
p + q = 2k, and p + q + r = 3k, so r = k. (Answer as per the official UPSC answer key.)