1.

The Average Monthly Income Of P And Q Is Rs. 5050. The Average Monthly Income Of Q And R Is 6250 And The Average Monthly Income Of P And R Is Rs. 5200. The Monthly Income Of P Is?

Answer»

Let P, Q and R represent their respective monthly INCOMES.

Then, we have:

P + Q = (5050 * 2) = 10100 --- (i)

Q + R = (6250 * 2) = 12500 --- (ii)

P + R = (5200 * 2) = 10400 --- (iii)

ADDING (i), (ii) and (iii), we get: 

2(P + Q + R) = 33000 = P + Q + R = 16500 --- (iv)

Subtracting (ii) from (iv), we get, P = 4000.

P's monthly income = RS. 4000.

Let P, Q and R represent their respective monthly incomes.

Then, we have:

P + Q = (5050 * 2) = 10100 --- (i)

Q + R = (6250 * 2) = 12500 --- (ii)

P + R = (5200 * 2) = 10400 --- (iii)

Adding (i), (ii) and (iii), we get: 

2(P + Q + R) = 33000 = P + Q + R = 16500 --- (iv)

Subtracting (ii) from (iv), we get, P = 4000.

P's monthly income = Rs. 4000.



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