Question
Monthly income of P is Rs.12000 and his monthly savings
is Rs.6500. If his monthly income is decreased by 25% and monthly expenditure is decreased by 20% then find the approximate percentage decrease in his monthly savings.Solution
Expenditure of P = Rs.(12000 – 6500) = Rs.5500 New Saving = (0.75 × 12000 - 0.8 × 5500) = 9000 - 4400 = Rs.4600 Decrease % in Saving = [(6500 - 4600)/6500] × 100 = 29%
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