शब्द (LEVEL) में (5) अक्षर हैं, (L) दो बार और (E) दो बार आता है। अलग व्यवस्थाएँ कितनी होंगी?

The word (LEVEL) has (5) letters, with (L) twice and (E) twice. How many distinct arrangements are possible?

Explanation opens after your attempt
Correct Answer

C. (30)

Step 1

Concept

The arrangements are \(\frac{5!}{2!2!}=30\). Do not forget to divide by factorials of identical letters.

Step 2

Why this answer is correct

The correct answer is C. (30). The arrangements are \(\frac{5!}{2!2!}=30\). Do not forget to divide by factorials of identical letters.

Step 3

Exam Tip

व्यवस्थाएँ \(\frac{5!}{2!2!}=30\) होंगी। समान अक्षरों के factorial से भाग देना न भूलें।

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शब्द (LEVEL) में (5) अक्षर हैं, (L) दो बार और (E) दो बार आता है। अलग व्यवस्थाएँ कितनी होंगी? / The word (LEVEL) has (5) letters, with (L) twice and (E) twice. How many distinct arrangements are possible?

Correct Answer: C. (30). Explanation: व्यवस्थाएँ \(\frac{5!}{2!2!}=30\) होंगी। समान अक्षरों के factorial से भाग देना न भूलें। / The arrangements are \(\frac{5!}{2!2!}=30\). Do not forget to divide by factorials of identical letters.

Which concept should I revise for this Mathematics MCQ?

The arrangements are \(\frac{5!}{2!2!}=30\). Do not forget to divide by factorials of identical letters.

What exam hint can help solve this Mathematics question?

व्यवस्थाएँ \(\frac{5!}{2!2!}=30\) होंगी। समान अक्षरों के factorial से भाग देना न भूलें।