(ARRANGE) शब्द के distinct arrangements में denominator (2!2!) क्यों है?
Why is the denominator (2!2!) in the distinct arrangements of the word (ARRANGE)?
Explanation opens after your attempt
A. क्योंकि (A) और (R) दो-दो बार आते हैंBecause (A) and (R) appear twice each
Concept
Interchanging identical letters does not create a new arrangement. In exams put factorials of repeated letters in the denominator.
Why this answer is correct
The correct answer is A. क्योंकि (A) और (R) दो-दो बार आते हैं / Because (A) and (R) appear twice each. Interchanging identical letters does not create a new arrangement. In exams put factorials of repeated letters in the denominator.
Exam Tip
समान letters की आपसी अदला-बदली नई arrangement नहीं देती। परीक्षा में repeated letters के factorials denominator में रखें।
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