(5) डॉक्टरों, (6) इंजीनियरों और (7) शिक्षकों में से (6) लोगों का दल बनाना है जिसमें हर पेशे से ठीक (2) लोग हों। कितने दल बनेंगे?
From (5) doctors, (6) engineers, and (7) teachers, a team of (6) people is to be formed with exactly (2) people from each profession. How many teams are possible?
Explanation opens after your attempt
D. (3150)
Concept
Choose (2) people from each profession and multiply the results. The number is \(^{5}C_{2}\times{}^{6}C_{2}\times{}^{7}C_{2}=3150\).
Why this answer is correct
The correct answer is D. (3150). Choose (2) people from each profession and multiply the results. The number is \(^{5}C_{2}\times{}^{6}C_{2}\times{}^{7}C_{2}=3150\).
Exam Tip
हर पेशे से (2) चुनें और परिणामों को गुणा करें। संख्या \(^{5}C_{2}\times{}^{6}C_{2}\times{}^{7}C_{2}=3150\)।
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