(7) पुरुषों और (3) महिलाओं में से (1) पुरुष और (2) महिलाएं कितने तरीकों से चुनी जा सकती हैं?
From (7) men and (3) women, in how many ways can (1) man and (2) women be selected?
Explanation opens after your attempt
B. (21)
Concept
The ways are \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\). Write each condition as a separate combination.
Why this answer is correct
The correct answer is B. (21). The ways are \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\). Write each condition as a separate combination.
Exam Tip
तरीके \(\binom{7}{1}\binom{3}{2}=7\cdot3=21\) हैं। प्रत्येक शर्त को अलग संयोजन से लिखें।
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