Question
Monthly income of P is Rs.19000 and his monthly savings
is Rs.9500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 20% then find the percentage decrease in his monthly savings.Solution
Expenditure of P = Rs.(19000 – 9500) = Rs.9500 New Saving = (0.7 × 19000 - 0.8 × 9500) = 13300 - 7600 = Rs.5700 Decrease % in Saving = [(9500 - 5700)/9500] × 100 = 40%
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