अंकों (0,1,2,3,4,5,6,7,8) से बिना पुनरावृत्ति (5) अंकों की कितनी संख्याएं बनेंगी जिनमें (0) शामिल हो?

How many (5)-digit numbers can be formed from (0,1,2,3,4,5,6,7,8) without repetition and containing (0)?

Explanation opens after your attempt
Correct Answer

A. (6720)

Step 1

Concept

Total valid (5)-digit numbers are \(8\cdot{}^{8}P_4\), and those without (0) are \(^{8}P_5\). The difference is (13440-6720=6720).

Step 2

Why this answer is correct

The correct answer is A. (6720). Total valid (5)-digit numbers are \(8\cdot{}^{8}P_4\), and those without (0) are \(^{8}P_5\). The difference is (13440-6720=6720).

Step 3

Exam Tip

कुल वैध (5)-अंकीय संख्याएं \(8\cdot{}^{8}P_4\) हैं और बिना (0) वाली \(^{8}P_5\) हैं। अंतर (13440-6720=6720) है।

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Mathematics Answer, Explanation and Revision Hints

अंकों (0,1,2,3,4,5,6,7,8) से बिना पुनरावृत्ति (5) अंकों की कितनी संख्याएं बनेंगी जिनमें (0) शामिल हो? / How many (5)-digit numbers can be formed from (0,1,2,3,4,5,6,7,8) without repetition and containing (0)?

Correct Answer: A. (6720). Explanation: कुल वैध (5)-अंकीय संख्याएं \(8\cdot{}^{8}P_4\) हैं और बिना (0) वाली \(^{8}P_5\) हैं। अंतर (13440-6720=6720) है। / Total valid (5)-digit numbers are \(8\cdot{}^{8}P_4\), and those without (0) are \(^{8}P_5\). The difference is (13440-6720=6720).

Which concept should I revise for this Mathematics MCQ?

Total valid (5)-digit numbers are \(8\cdot{}^{8}P_4\), and those without (0) are \(^{8}P_5\). The difference is (13440-6720=6720).

What exam hint can help solve this Mathematics question?

कुल वैध (5)-अंकीय संख्याएं \(8\cdot{}^{8}P_4\) हैं और बिना (0) वाली \(^{8}P_5\) हैं। अंतर (13440-6720=6720) है।