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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



Question ID - 51364 | SaraNextGen Top Answer

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
Answer Key / Explanation : (c) -

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