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How many (3)-digit numbers can be formed from (0,1,2,3,4) without repetition?अंकों (0,1,2,3,4) से बिना पुनरावृत्ति (3) अंकों की कितनी संख्याएं बनेंगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (48)(48)
The hundreds place cannot be (0), so (4\cdot4\cdot3=48). In exams, always check the zero restriction on the first digit.सैकड़े के स्थान पर (0) नहीं आ सकता, इसलिए (4\cdot4\cdot3=48)। परीक्षा में प्रथम अंक पर शून्य की शर्त जरूर जांचें।
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