शब्द (SMART) के सभी अक्षरों से कितने अलग क्रम बनेंगे?
How many distinct arrangements can be formed using all letters of (SMART)?
Explanation opens after your attempt
B. (120)
Concept
The word (SMART) has (5) distinct letters, so (5!=120). The full arrangement of distinct letters is factorial.
Why this answer is correct
The correct answer is B. (120). The word (SMART) has (5) distinct letters, so (5!=120). The full arrangement of distinct letters is factorial.
Exam Tip
(SMART) में (5) अलग अक्षर हैं इसलिए (5!=120)। distinct letters की पूरी arrangement factorial होती है।
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