"The average monthly income of `P`and `Q`is Rs 6,000; that of `Q`and `R`is Rs 5,2
Channel: Doubtnut
Date: 2020-04-05

"The average
 monthly income of `P`
and `Q`
is Rs
 6,000; that of `Q`
and `R`
is Rs
 5,250; and, that `P`
and `R`
is Rs
 5,500. What is `P`
s monthly
 income?
(a) Rs
 3,500 (b) Rs 4,500 (c) Rs 6,250 (d) Rs 4,800"