एक शब्द में 4 अलग-अलग अक्षर हैं। इसके सभी अक्षरों से कुल कितने विन्यास बनाए जा सकते हैं?
A16
B24
C12
D48
Answer & Solution
Correct answer: B. 24
4 अलग-अलग अक्षरों को 4 x 3 x 2 x 1 = 24 तरीकों से व्यवस्थित किया जा सकता है।
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