अंकों (0,1,2,3,4,5) से बिना पुनरावृत्ति कितनी (4)-अंकीय संख्याएं बनेंगी जो (5) से विभाज्य हों?
How many (4)-digit numbers divisible by (5) can be formed from digits (0,1,2,3,4,5) without repetition?
Explanation opens after your attempt
Correct Answer
A. (108)
Concept
The last digit must be (0) or (5), and the leading zero case must be counted separately. For such questions, start with the unit digit.
Why this answer is correct
The correct answer is A. (108). The last digit must be (0) or (5), and the leading zero case must be counted separately. For such questions, start with the unit digit.
Exam Tip
अंतिम अंक (0) या (5) होगा और पहले अंक के शून्य होने की स्थिति अलग गिननी होगी। ऐसे प्रश्नों में अंतिम अंक से केस बनाएं।
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