Civil Services Examination · வினா 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?
விடையைக் காட்டு & விளக்கம்
விடை: (A) k
விளக்கம்
p + q = 2k, and p + q + r = 3k, so r = k. (Answer as per the official UPSC answer key.)