Question
Rohit spends 25% of his income on groceries, 40% of the
remaining income on entertainment, 60% of the amount left after expenditure on groceries and entertainment, on utilities and saves the rest Rs. 4,800. Find his expenses on entertainment.Solution
ATQ, Let the income of Rohit be Rs. '100P'. Savings of Rohit = 100P X 0.75 X 0.60 X 0.40 = Rs. '18P' ATQ, 18P = 4,800 Or, 'P' = (4800/18) = 267 Therefore, expense on entertainment by Rohit = 0.75 X 0.4 X 100P = 30P = 30 X 267 = Rs.8010
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