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The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is

(a) Rs. 3500                             (b) Rs. 4000                        (c) Rs. 4050                (d) Rs. 5000



Question ID - 50843 | SaraNextGen Top Answer

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is

(a) Rs. 3500                             (b) Rs. 4000                        (c) Rs. 4050                (d) Rs. 5000

1 Answer
127 votes
Answer Key / Explanation : (b) -

Let  represent their respective monthly incomes.

Then, we have

Adding  we get:

    

Subtracting  from  we get

 P’s monthly income = Rs. 4000.

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