Question
Nikhil spends x% of his salary on rent, then 30% of the
balance on groceries, pays Rs. 6600 for transport, and saves Rs. 5496 from a total income of Rs. 27000. Find x.Solution
ATQ, 27000 Γ {(100 β x)/100} Γ (70/100) β 6600 = 5496 = 27000 Γ 70/10000 Γ (100 β x) β 6600 = 5496 = 189 Γ (100 β x) β 6600 = 5496 18900 β 189x β 6600 = 5496 12300 β 189x = 5496 189x = 12300 β 5496 = 6804 x = 6804/189 = 36
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