IB ACIO Grade II previous year question
120L mixture, milk:water = 2:3. 40L removed and replaced with milk; process repeated once more. Find final milk quantity.
Asked in IB ACIO Grade II (16 Sep 2025 Shift 1) · Quantitative Aptitude
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Correct answer: (A) 88
Initial: milk 48, water 72. Remove 40L (2:3 ratio) → milk removed 16, water 24; left milk 32, water 48. Add 40L milk → milk 72, water 48. Remove 40L (ratio 3:2) → milk removed 24, water 16; left milk 48, water 32. Add 40L milk → final milk = 48+40 = 88L.
हिंदी में प्रश्न
120 लीटर मिश्रण में दूध:पानी = 2:3. 40 लीटर निकालकर दूध से बदला जाता है; यह प्रक्रिया एक बार और दोहराई जाती है। अंतिम मिश्रण में दूध की मात्रा ज्ञात करें।
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सही उत्तर: (A) 88
प्रारंभ: दूध 48, पानी 72. 40L निकालने पर (2:3 अनुपात) दूध −16, पानी −24; शेष दूध 32, पानी 48. 40L दूध मिलाने पर दूध 72, पानी 48. पुनः 40L निकालने पर (3:2) दूध −24, पानी −16; शेष दूध 48, पानी 32. 40L दूध मिलाने पर अंतिम दूध = 48+40 = 88L.
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