IB ACIO Grade II previous year question
What should come in place of the question mark (?) in the given series? 547 466 385 304 223 ?
Asked in IB ACIO Grade II (16 Sep 2025 Shift 2) · Reasoning
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Correct answer: (C) 142
Differences: 547−466=81, 466−385=81, 385−304=81, 304−223=81 (constant difference of 81, i.e., series decreases by 81 each time). Next term = 223−81 = 142.
हिंदी में प्रश्न
दी गई श्रृंखला में प्रश्न चिह्न (?) के स्थान पर क्या आएगा? 547 466 385 304 223 ?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 142
अंतर: 547−466=81, 466−385=81, 385−304=81, 304−223=81 (प्रत्येक बार स्थिर अंतर 81 से घट रहा है)। अगला पद = 223−81 = 142।
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