Class 11 Mathematics Permutations and Combinations Permutations Easy Level 60

शब्द (CIVIC) में (C) दो बार और (I) दो बार आता है। अलग arrangements कितने होंगे?

In the word (CIVIC), (C) occurs twice and (I) occurs twice. How many distinct arrangements are possible?

Explanation opens after your attempt
Correct Answer

B. (30)

Step 1

Concept

The arrangements are \(\frac{5!}{2!2!}=30\). It is necessary to divide by factorials of repeated letters.

Step 2

Why this answer is correct

The correct answer is B. (30). The arrangements are \(\frac{5!}{2!2!}=30\). It is necessary to divide by factorials of repeated letters.

Step 3

Exam Tip

व्यवस्थाएँ \(\frac{5!}{2!2!}=30\) होंगी। repeated letters के factorial से भाग देना जरूरी है।

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शब्द (CIVIC) में (C) दो बार और (I) दो बार आता है। अलग arrangements कितने होंगे? / In the word (CIVIC), (C) occurs twice and (I) occurs twice. How many distinct arrangements are possible?

Correct Answer: B. (30). Explanation: व्यवस्थाएँ \(\frac{5!}{2!2!}=30\) होंगी। repeated letters के factorial से भाग देना जरूरी है। / The arrangements are \(\frac{5!}{2!2!}=30\). It is necessary to divide by factorials of repeated letters.

Which concept should I revise for this Mathematics MCQ?

The arrangements are \(\frac{5!}{2!2!}=30\). It is necessary to divide by factorials of repeated letters.

What exam hint can help solve this Mathematics question?

व्यवस्थाएँ \(\frac{5!}{2!2!}=30\) होंगी। repeated letters के factorial से भाग देना जरूरी है।