एक जैसे (3) लाल और अलग (4) नीले balls की line arrangements में कौन-सा divisor आएगा?
What divisor appears in line arrangements of identical (3) red balls and distinct (4) blue balls?
Explanation opens after your attempt
Correct Answer
A. (3!)
Concept
The three red balls are identical so their (3!) internal orders are not different. In exams divide by the factorial of the repeated group only.
Why this answer is correct
The correct answer is A. (3!). The three red balls are identical so their (3!) internal orders are not different. In exams divide by the factorial of the repeated group only.
Exam Tip
तीन लाल balls समान हैं इसलिए उनके (3!) अंदरूनी क्रम अलग नहीं हैं। परीक्षा में केवल repeated group के factorial से भाग दें।
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