शब्द (CAT) के सभी अक्षरों से कितने अलग-अलग शब्द बनाए जा सकते हैं?
How many different words can be formed using all letters of the word (CAT)?
Explanation opens after your attempt
C. (6)
Concept
The word (CAT) has (3) distinct letters, so (3!=6) words are possible. For small words, arrange all letters using factorial.
Why this answer is correct
The correct answer is C. (6). The word (CAT) has (3) distinct letters, so (3!=6) words are possible. For small words, arrange all letters using factorial.
Exam Tip
(CAT) में (3) अलग अक्षर हैं इसलिए (3!=6) शब्द बनेंगे। छोटे शब्दों में सभी अक्षरों की व्यवस्था सीधे factorial से करें।
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