A man spends 75% of his income. his income is increased by 20% and he increased his expenditure by 10%. His savings are increased by :

A man spends 75% of his income. his income is increased by 20% and he increased his expenditure by 10%. His savings are increased by : Correct Answer 50%

Let income = 100 Expenditure : 75 So, saving (100 - 75) = 25 New income = 100 + 20% of 100 = 120 New expenditure = 75 + 10% of 75 = 82.5 New saving = 120 82.5 = 37.5 Increase of saving = 37.5 25 = 12.5 % increase in saving = (12.5/25) × 100 = 50% (ans)
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