(6) men और (5) women में से (4) person committee बनानी है जिसमें exactly (2) women हों। कौन-सा formula सही है?
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Correct Answer
A. \(^{5}C_2\cdot^{6}C_2\)
Concept
With exactly (2) women the remaining (2) must be men. In exams use cases or direct product of combinations for exactly conditions.
Why this answer is correct
The correct answer is A. \(^{5}C_2\cdot^{6}C_2\). With exactly (2) women the remaining (2) must be men. In exams use cases or direct product of combinations for exactly conditions.
Exam Tip
Exactly (2) women के साथ बाकी (2) men चुनने होंगे। परीक्षा में exactly condition में cases या direct product of combinations लगाएं।
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