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From (6) boys and (5) girls, a team of (5) students is to be formed with at least (2) boys and at least (2) girls. How many teams are possible?(6) लड़कों और (5) लड़कियों में से (5) विद्यार्थियों का दल बनाना है जिसमें कम से कम (2) लड़के और कम से कम (2) लड़कियां हों। कितने दल बनेंगे?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (350)(350)
The possible cases are (2G3B) and (3G2B). The sum is (^{5}C_{2}\times{}^{6}C_{3}+^{5}C_{3}\times{}^{6}C_{2}=350).संभव मामले (2G3B) और (3G2B) हैं। योग (^{5}C_{2}\times{}^{6}C_{3}+^{5}C_{3}\times{}^{6}C_{2}=350)।
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