Question
The ratio of monthly income of Ravi to Dev is 4:5. Ravi
spends 85% of his monthly income and saves Rs. 5400. Determine the expenditure (in Rs.) of Dev, if he saves Rs. 8000.Solution
ATQ, Monthly income of Raj = 5400/0.15 = Rs. 36000 Monthly income of Dev = 36000 × (5/4) = Rs. 45000 So, expenditure of Dev = 45000 – 8000 = Rs.37000
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