(5) अलग-अलग अक्षरों में से (3) अक्षरों के कितने क्रम बनेंगे यदि पुनरावृत्ति अनुमति नहीं है?

How many ordered arrangements of (3) letters can be formed from (5) distinct letters if repetition is not allowed?

Explanation opens after your attempt
Correct Answer

C. (60)

Step 1

Concept

This is an ordered selection of (3) from (5), so it is \(^{5}P_{3}\). When there is no repetition and order matters, use permutation.

Step 2

Why this answer is correct

The correct answer is C. (60). This is an ordered selection of (3) from (5), so it is \(^{5}P_{3}\). When there is no repetition and order matters, use permutation.

Step 3

Exam Tip

यह (5) में से (3) का क्रम सहित चयन है, इसलिए \(^{5}P_{3}\) होगा। बिना पुनरावृत्ति और क्रम हो तो क्रमचय लगाएं।

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Mathematics Answer, Explanation and Revision Hints

(5) अलग-अलग अक्षरों में से (3) अक्षरों के कितने क्रम बनेंगे यदि पुनरावृत्ति अनुमति नहीं है? / How many ordered arrangements of (3) letters can be formed from (5) distinct letters if repetition is not allowed?

Correct Answer: C. (60). Explanation: यह (5) में से (3) का क्रम सहित चयन है, इसलिए \(^{5}P_{3}\) होगा। बिना पुनरावृत्ति और क्रम हो तो क्रमचय लगाएं। / This is an ordered selection of (3) from (5), so it is \(^{5}P_{3}\). When there is no repetition and order matters, use permutation.

Which concept should I revise for this Mathematics MCQ?

This is an ordered selection of (3) from (5), so it is \(^{5}P_{3}\). When there is no repetition and order matters, use permutation.

What exam hint can help solve this Mathematics question?

यह (5) में से (3) का क्रम सहित चयन है, इसलिए \(^{5}P_{3}\) होगा। बिना पुनरावृत्ति और क्रम हो तो क्रमचय लगाएं।