(5) लड़कों और (4) लड़कियों में से (2) लड़के और (2) लड़कियां कितने तरीकों से चुनी जा सकती हैं?
From (5) boys and (4) girls, in how many ways can (2) boys and (2) girls be selected?
Explanation opens after your attempt
C. (60)
Concept
The ways are \(\binom{5}{2}\binom{4}{2}=10\cdot6=60\). Multiply selections from different groups.
Why this answer is correct
The correct answer is C. (60). The ways are \(\binom{5}{2}\binom{4}{2}=10\cdot6=60\). Multiply selections from different groups.
Exam Tip
तरीके \(\binom{5}{2}\binom{4}{2}=10\cdot6=60\) हैं। अलग वर्गों से चयन में गुणा करते हैं।
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