अंकों (1,2,3) से बिना पुनरावृत्ति के कितनी (3)-अंकीय संख्याएँ बनेंगी?
How many (3)-digit numbers can be formed from digits (1,2,3) without repetition?
Explanation opens after your attempt
C. (6)
Concept
The arrangement of three distinct digits is (3!=6). Without repetition, choices decrease place by place.
Why this answer is correct
The correct answer is C. (6). The arrangement of three distinct digits is (3!=6). Without repetition, choices decrease place by place.
Exam Tip
तीनों अलग अंकों की व्यवस्था (3!=6) है। बिना पुनरावृत्ति में हर स्थान के विकल्प घटते हैं।
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