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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