alleryअक्षरों की पाँच अलग-अलग टाइलों को एक पंक्ति में कितने तरीकों से रखा जा सकता है?
A25
B240
C60
D120
Answer & Solution
Correct answer: D. 120
पाँच अलग-अलग टाइलों के विन्यास के तरीके = 5! = 5 x 4 x 3 x 2 x 1 = 120 तरीके।
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