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In a competition, first, second, and third prizes are awarded among (8) students. Two particular students cannot both appear in the prize list. How many prize assignments are possible?एक प्रतियोगिता में (8) छात्रों में से प्रथम, द्वितीय और तृतीय पुरस्कार दिए जाते हैं। दो विशेष छात्र दोनों पुरस्कार-सूची में साथ नहीं आ सकते। कुल पुरस्कार-वितरण कितने होंगे?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (324)(324)
Total assignments are (8 \times 7 \times 6). If both special students appear, choose the third from (6) students and arrange the (3) winners.कुल (8 \times 7 \times 6) वितरण हैं। दोनों विशेष छात्र आने पर तीसरा स्थान (6) छात्रों में से और क्रम (3!) होगा।
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