(0,1,2,3,4,5,6,7) से repetition बिना (5)-digit even numbers बनाने में (0) को last digit case अलग क्यों लिया जाता है?

Why is the case with (0) as the last digit treated separately when forming (5)-digit even numbers without repetition from (0,1,2,3,4,5,6,7)?

Explanation opens after your attempt
Correct Answer

A. क्योंकि (0) last में valid है पर first में invalid हैBecause (0) is valid at the last place but invalid at the first place

Step 1

Concept

In an even number, (0) may be the unit digit but cannot be the leading digit. In exams keep zero cases separate in digit problems.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि (0) last में valid है पर first में invalid है / Because (0) is valid at the last place but invalid at the first place. In an even number, (0) may be the unit digit but cannot be the leading digit. In exams keep zero cases separate in digit problems.

Step 3

Exam Tip

Even number में (0) unit place पर आ सकता है लेकिन leading digit नहीं बन सकता। परीक्षा में digit problems में zero cases अलग रखें।

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(0,1,2,3,4,5,6,7) से repetition बिना (5)-digit even numbers बनाने में (0) को last digit case अलग क्यों लिया जाता है? / Why is the case with (0) as the last digit treated separately when forming (5)-digit even numbers without repetition from (0,1,2,3,4,5,6,7)?

Correct Answer: A. क्योंकि (0) last में valid है पर first में invalid है / Because (0) is valid at the last place but invalid at the first place. Explanation: Even number में (0) unit place पर आ सकता है लेकिन leading digit नहीं बन सकता। परीक्षा में digit problems में zero cases अलग रखें। / In an even number, (0) may be the unit digit but cannot be the leading digit. In exams keep zero cases separate in digit problems.

Which concept should I revise for this Mathematics MCQ?

In an even number, (0) may be the unit digit but cannot be the leading digit. In exams keep zero cases separate in digit problems.

What exam hint can help solve this Mathematics question?

Even number में (0) unit place पर आ सकता है लेकिन leading digit नहीं बन सकता। परीक्षा में digit problems में zero cases अलग रखें।