The average monthly income of P and Q is Rs. 6000; that of Q and R is Rs. 5250: and, that of P and R is Rs. 5500. What is P’s monthly income?

(a) Rs. 3500 (b) Rs.4500 (c) Rs.6250 (d) Rs.4800

The average monthly income of P and Q is Rs. 6000; that of Q and R is Rs. 5250: and, that of P and R is Rs. 5500. What is P’s monthly income?

(a) Rs. 3500 (b) Rs.4500 (c) Rs.6250 (d) Rs.4800

1 Answer

127 votes

Average monthly income of P and Q = Rs. 6000.

Average monthly income of Q and R = Rs. 5250.

Average monthly income of P and R= Rs. 5500.

Total income of P + Q = 2 12000

Total income of Q + R = 2

Total income of P + R = 2 11000 …

On adding eqn. we get

2(P + Q+R) = 33500 P+Q+R= Rs. 16750 …

By eqn.

P’s income =

127 votes

127