Question : Roma spends 25% of her income on food, 15% on children's books and 75% of the remaining income on uniforms. What is the percentage of income she is left with?
Option 1: 35%
Option 2: 20%
Option 3: 15%
Option 4: 19%
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Correct Answer: 15%
Solution : Let the income be 100. Spent on food = 25% Spent on children book = 15% Remaining salary = 100 – 25 – 15 = 60% 75% of the remaining on uniform = $\frac{75}{100}\times60=45$ $\therefore$ She left with 60 – 45 = 15% Hence, the correct answer is 15%.
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