अंकों (1,2,3,4,5,6) से बिना पुनरावृत्ति (3) अंकों की कितनी संख्याएं (400) से बड़ी होंगी?

How many (3)-digit numbers greater than (400) can be formed from (1,2,3,4,5,6) without repetition?

Explanation opens after your attempt
Correct Answer

C. (36)

Step 1

Concept

The hundreds place can be (4,5,6), and the remaining places have \(5\cdot4\) ways. The total is \(3\cdot5\cdot4=60\).

Step 2

Why this answer is correct

The correct answer is C. (36). The hundreds place can be (4,5,6), and the remaining places have \(5\cdot4\) ways. The total is \(3\cdot5\cdot4=60\).

Step 3

Exam Tip

सैकड़े के स्थान पर (4,5,6) हो सकते हैं और बाकी \(5\cdot4\) तरीके हैं। कुल \(3\cdot5\cdot4=60\) है।

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Mathematics Answer, Explanation and Revision Hints

अंकों (1,2,3,4,5,6) से बिना पुनरावृत्ति (3) अंकों की कितनी संख्याएं (400) से बड़ी होंगी? / How many (3)-digit numbers greater than (400) can be formed from (1,2,3,4,5,6) without repetition?

Correct Answer: C. (36). Explanation: सैकड़े के स्थान पर (4,5,6) हो सकते हैं और बाकी \(5\cdot4\) तरीके हैं। कुल \(3\cdot5\cdot4=60\) है। / The hundreds place can be (4,5,6), and the remaining places have \(5\cdot4\) ways. The total is \(3\cdot5\cdot4=60\).

Which concept should I revise for this Mathematics MCQ?

The hundreds place can be (4,5,6), and the remaining places have \(5\cdot4\) ways. The total is \(3\cdot5\cdot4=60\).

What exam hint can help solve this Mathematics question?

सैकड़े के स्थान पर (4,5,6) हो सकते हैं और बाकी \(5\cdot4\) तरीके हैं। कुल \(3\cdot5\cdot4=60\) है।