If the cost of three dozens of apples is Rs. 324, how much do 10 apples cost?

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If the cost of three dozens of apples is Rs. 324, how much do 10 apples cost? Answer: 90

3 Dozens = 12x3 =36 One apple Price = 324/36 = 9 10 Apples Price = 10x 9 = 90

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.