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In how many ways can (6) distinct keys be placed against (6) distinct locks?(6) अलग-अलग चाबियों को (6) अलग-अलग ताले के सामने कितने तरीकों से रखा जा सकता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (720)(720)
The arrangement of six distinct objects in six distinct positions is (6!=720). In exams, use factorial when matching positions are distinct.छह अलग वस्तुओं का छह अलग स्थानों पर विन्यास (6!=720) है। परीक्षा में matching positions अलग हों तो factorial लगाएं।
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