शब्द (SCHOOL) में (O) दो बार आता है। इसके अलग अक्षर-क्रम कितने होंगे?

The word (SCHOOL) has (O) twice. How many distinct letter arrangements are possible?

Explanation opens after your attempt
Correct Answer

C. (360)

Step 1

Concept

There are (6) letters and two identical (O)'s, so \(\frac{6!}{2!}=360\). Use a denominator for a repeated letter.

Step 2

Why this answer is correct

The correct answer is C. (360). There are (6) letters and two identical (O)'s, so \(\frac{6!}{2!}=360\). Use a denominator for a repeated letter.

Step 3

Exam Tip

कुल (6) अक्षर हैं और (O) दो समान हैं इसलिए \(\frac{6!}{2!}=360\)। repeated letter के लिए denominator लगाएं।

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Mathematics Answer, Explanation and Revision Hints

शब्द (SCHOOL) में (O) दो बार आता है। इसके अलग अक्षर-क्रम कितने होंगे? / The word (SCHOOL) has (O) twice. How many distinct letter arrangements are possible?

Correct Answer: C. (360). Explanation: कुल (6) अक्षर हैं और (O) दो समान हैं इसलिए \(\frac{6!}{2!}=360\)। repeated letter के लिए denominator लगाएं। / There are (6) letters and two identical (O)'s, so \(\frac{6!}{2!}=360\). Use a denominator for a repeated letter.

Which concept should I revise for this Mathematics MCQ?

There are (6) letters and two identical (O)'s, so \(\frac{6!}{2!}=360\). Use a denominator for a repeated letter.

What exam hint can help solve this Mathematics question?

कुल (6) अक्षर हैं और (O) दो समान हैं इसलिए \(\frac{6!}{2!}=360\)। repeated letter के लिए denominator लगाएं।