(0) included digits से (4)-digit numbers बनाते समय first digit restriction क्यों अलग handle होती है?
Why is the first digit restriction handled separately when forming (4)-digit numbers from digits including (0)?
Explanation opens after your attempt
A. क्योंकि first digit (0) होने पर number (4)-digit नहीं रहेगाBecause if the first digit is (0), the number will not remain (4)-digit
Simple Explanation
Leading zero valid (4)-digit number नहीं बनाता। परीक्षा में digit arrangement में first place condition पहले देखें। / A leading zero does not form a valid (4)-digit number. In exams check the first-place condition first in digit arrangements.
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