(BANANA) के distinct arrangements का denominator किस कारण (3!2!) है?
Why is the denominator for distinct arrangements of (BANANA) equal to (3!2!)?
Explanation opens after your attempt
Correct Answer
A. क्योंकि (A) तीन बार और (N) दो बार आता हैBecause (A) appears three times and (N) appears twice
Concept
Interchanging identical letters gives the same word. In exams make repeated counts into denominator factorials.
Why this answer is correct
The correct answer is A. क्योंकि (A) तीन बार और (N) दो बार आता है / Because (A) appears three times and (N) appears twice. Interchanging identical letters gives the same word. In exams make repeated counts into denominator factorials.
Exam Tip
समान letters की अदला-बदली same word देती है। परीक्षा में repeated counts को denominator factorials बनाएं।
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