(3) लाल, (4) पीली और (5) नीली गेंदों में से (1) लाल, (1) पीली और (1) नीली गेंद कितने तरीकों से चुनी जा सकती है?
From (3) red, (4) yellow, and (5) blue balls, in how many ways can (1) red, (1) yellow, and (1) blue ball be selected?
Explanation opens after your attempt
D. (60)
Concept
The ways are \(\binom{3}{1}\binom{4}{1}\binom{5}{1}=60\). Multiply selections from the three different groups.
Why this answer is correct
The correct answer is D. (60). The ways are \(\binom{3}{1}\binom{4}{1}\binom{5}{1}=60\). Multiply selections from the three different groups.
Exam Tip
तरीके \(\binom{3}{1}\binom{4}{1}\binom{5}{1}=60\) हैं। तीन अलग समूहों के चयन को गुणा करें।
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