अंकों (0,1,2,3,4,5,6) से बिना पुनरावृत्ति (4) अंकों की कितनी सम संख्याएं बनेंगी?

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

Explanation opens after your attempt
Correct Answer

C. (360)

Step 1

Concept

If the unit digit is (0), there are \(6\cdot5\cdot4\) ways, and if it is (2,4,6), there are \(3\cdot5\cdot5\cdot4\) ways. The total is (120+300=420).

Step 2

Why this answer is correct

The correct answer is C. (360). If the unit digit is (0), there are \(6\cdot5\cdot4\) ways, and if it is (2,4,6), there are \(3\cdot5\cdot5\cdot4\) ways. The total is (120+300=420).

Step 3

Exam Tip

इकाई स्थान (0) हो तो \(6\cdot5\cdot4\) और इकाई स्थान (2,4,6) हो तो \(3\cdot5\cdot5\cdot4\) तरीके हैं। कुल (120+300=420) है।

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Mathematics Answer, Explanation and Revision Hints

अंकों (0,1,2,3,4,5,6) से बिना पुनरावृत्ति (4) अंकों की कितनी सम संख्याएं बनेंगी? / How many (4)-digit even numbers can be formed from (0,1,2,3,4,5,6) without repetition?

Correct Answer: C. (360). Explanation: इकाई स्थान (0) हो तो \(6\cdot5\cdot4\) और इकाई स्थान (2,4,6) हो तो \(3\cdot5\cdot5\cdot4\) तरीके हैं। कुल (120+300=420) है। / If the unit digit is (0), there are \(6\cdot5\cdot4\) ways, and if it is (2,4,6), there are \(3\cdot5\cdot5\cdot4\) ways. The total is (120+300=420).

Which concept should I revise for this Mathematics MCQ?

If the unit digit is (0), there are \(6\cdot5\cdot4\) ways, and if it is (2,4,6), there are \(3\cdot5\cdot5\cdot4\) ways. The total is (120+300=420).

What exam hint can help solve this Mathematics question?

इकाई स्थान (0) हो तो \(6\cdot5\cdot4\) और इकाई स्थान (2,4,6) हो तो \(3\cdot5\cdot5\cdot4\) तरीके हैं। कुल (120+300=420) है।