(4) लाल, (5) नीली और (6) हरी गेंदों में से प्रत्येक रंग की (1) गेंद चुनने के कितने तरीके हैं?
From (4) red, (5) blue, and (6) green balls, how many ways are there to choose (1) ball of each color?
Explanation opens after your attempt
Correct Answer
C. (120)
Concept
One ball is chosen from each color. The ways are \(\binom{4}{1}\binom{5}{1}\binom{6}{1}=120\).
Why this answer is correct
The correct answer is C. (120). One ball is chosen from each color. The ways are \(\binom{4}{1}\binom{5}{1}\binom{6}{1}=120\).
Exam Tip
हर रंग से (1) गेंद चुनी जाएगी। तरीके \(\binom{4}{1}\binom{5}{1}\binom{6}{1}=120\) हैं।
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