MAT Exam 2025 Paper

Concept:New earnings depend on the changed price and changed quantity.Percentage increase is calculated on the original earnings.Explanation:Let the original price per frock be ₹100 and the original quantity sold be 1 unit.Original earnings $= 100 \times 1 = ₹100$.Discount given: $9.5\%$, so new price $= 100 - 9.5 = ₹90.5$.Sales volume increase: $30\%$, so new quantity $= 1 + 30\% = 1.3$ units.New earnings $= 90.5 \times 1.3 = ₹117.65$.Increase in earnings $= 117.65 - 100 = ₹17.65$.Percentage increase $= \frac{17.65}{100} \times 100 = 17.65\%$.Answer:$17.65\%$ increase in earnings. Option D.