A person saves 10% of his salary every month. If his salary increases by 12% and the expenditure increases by 10%, then what will be the change in his saving per month?
Detailed Explanation:
Assume initial salary = ₹100. Initial saving = 10% = ₹10; initial expenditure = ₹90.
New salary = 100 + 12% = ₹112. New expenditure = 90 + 10% = ₹99. New saving = 112 − 99 = ₹13.
Increase in saving = 13 − 10 = ₹3. Percentage increase = (3/10) × 100 = 30%.
Therefore, the saving increases by 30%, making Option 2 the correct answer.
Question 2 of 2 Percentage
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