शब्द (DAD) के अलग-अलग arrangements कितने हैं?

How many distinct arrangements are there for the word (DAD)?

Explanation opens after your attempt
Correct Answer

A. (3)

Step 1

Concept

(D) occurs twice, so there are \(\frac{3!}{2!}=3\) arrangements. Do not count repeated letters as distinct.

Step 2

Why this answer is correct

The correct answer is A. (3). (D) occurs twice, so there are \(\frac{3!}{2!}=3\) arrangements. Do not count repeated letters as distinct.

Step 3

Exam Tip

(D) दो बार है इसलिए \(\frac{3!}{2!}=3\) arrangements हैं। repeated letters को अलग-अलग न गिनें।

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Mathematics Answer, Explanation and Revision Hints

शब्द (DAD) के अलग-अलग arrangements कितने हैं? / How many distinct arrangements are there for the word (DAD)?

Correct Answer: A. (3). Explanation: (D) दो बार है इसलिए \(\frac{3!}{2!}=3\) arrangements हैं। repeated letters को अलग-अलग न गिनें। / (D) occurs twice, so there are \(\frac{3!}{2!}=3\) arrangements. Do not count repeated letters as distinct.

Which concept should I revise for this Mathematics MCQ?

(D) occurs twice, so there are \(\frac{3!}{2!}=3\) arrangements. Do not count repeated letters as distinct.

What exam hint can help solve this Mathematics question?

(D) दो बार है इसलिए \(\frac{3!}{2!}=3\) arrangements हैं। repeated letters को अलग-अलग न गिनें।