Question
The monthly savings of three individuals 'P', 'Q', and
'R' are such that the average savings of 'P' and 'Q', 'Q' and 'R', and 'R' and 'P' are Rs. 2,000, Rs. 1,800, and Rs. 900, respectively. Find the total savings of 'P', 'Q', and 'R'.Solution
ATQ, Â Let the savings of 'P', 'Q', and 'R' be Rs. 'x', Rs. 'y', and Rs. 'z', respectively. From the information given: 
Adding equations (I), (II), and (III): 
Therefore, the total savings of 'P', 'Q', and 'R' is Rs. 4,700.
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