Question
The income of ‘R’ is thrice more than that of
‘S’. The expenditure of ‘R’ is Rs. 3600, which is twice that of ‘S’. If the savings of ‘R’ is 7 times that of ‘S’, then find the income of ‘R’.Solution
ATQ, Let the income of ‘S’ be Rs. ‘x’ Therefore, income of ‘R’ = x + 3x = Rs. 4x Expenditure of ‘S’ = 3600/2 = Rs. 1800 According to the question, 4x – 3600 = 7 × (x – 1800) Or, 4x – 3600 = 7x – 12600 Or, 3x = 9000 Or, x = 3000 Therefore, income of ‘R’ = 4x = Rs. 12000
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