Question
Monthly income of P is Rs.14000 and his monthly savings
is Rs.7500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 25% then find the approximate percentage decrease in his monthly savings.Solution
Expenditure of P = Rs.(14000 – 7500) = Rs.6500 New Saving = (0.7 × 14000 - 0.75 × 6500) = 9800 - 4875 = Rs.4925 Decrease % in Saving = [(7500 - 4925)/7500] × 100 = 34%
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