Question
In 2023, Meena spends 65% of her salary. In 2024, her
salary increased by 35%, and she raised her expenditure by 25%. What is the percentage increment in her savings?Solution
ATQ,
Let the income of Meena in 2023 be Rs. 100e
Expenditure of Meena in 2023 = 0.65 × 100e = Rs. 65e
Savings of Meena in 2023 = 100e - 65e = Rs. 35e
Income of Meena in 2024 = 1.35 × 100e = Rs. 135e
Expenditure of Meena in 2024 = 1.25 × 65e = Rs. 81.25e
Savings of Meena in 2024 = 135e - 81.25e = Rs. 53.75e
Therefore, percentage increase in savings = [(53.75e - 35e) ÷ 35e] × 100 = 53.57%
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