शब्द (MOM) के अलग-अलग arrangements कितने हैं?
How many distinct arrangements are there for the word (MOM)?
Explanation opens after your attempt
A. (3)
Concept
(M) occurs twice, so there are \(\frac{3!}{2!}=3\) arrangements. Repeated letters reduce total arrangements.
Why this answer is correct
The correct answer is A. (3). (M) occurs twice, so there are \(\frac{3!}{2!}=3\) arrangements. Repeated letters reduce total arrangements.
Exam Tip
(M) दो बार है इसलिए \(\frac{3!}{2!}=3\) arrangements हैं। समान अक्षर होने पर कुल arrangements घट जाती हैं।
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