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If the ratio of boys to girls is 5:3 and there are 40 boys, how many girls are there?

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If the ratio of boys to girls is 5:3 and there are 40 boys, how many girls are there? Answer: 24

Ratio of boys to girls = 5:3 If 5 parts = 40 boys, then 1 part = 40 ÷ 5 = 8 Girls = 3 parts = 8 × 3 = 24 girls.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.