(6) लाल गेंदों और (4) नीली गेंदों में से (1) लाल और (1) नीली गेंद कितने तरीकों से चुनी जा सकती है?
From (6) red balls and (4) blue balls, in how many ways can (1) red and (1) blue ball be selected?
Explanation opens after your attempt
C. (24)
Concept
The ways are \(\binom{6}{1}\binom{4}{1}=24\). Apply multiplication rule for selections from different colors.
Why this answer is correct
The correct answer is C. (24). The ways are \(\binom{6}{1}\binom{4}{1}=24\). Apply multiplication rule for selections from different colors.
Exam Tip
तरीके \(\binom{6}{1}\binom{4}{1}=24\) हैं। अलग रंगों के चयन में गुणा नियम लगाएं।
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