शब्द (PROBABILITY) के अक्षरों से अलग-अलग व्यवस्थाओं की संख्या क्या है?
What is the number of distinct arrangements of the letters of (PROBABILITY)?
Explanation opens after your attempt
A. (1814400)
Concept
There are (11) letters and (B,I) each repeat (2) times, so the count is \(\frac{11!}{2!2!}\). Count letter frequencies carefully in long words.
Why this answer is correct
The correct answer is A. (1814400). There are (11) letters and (B,I) each repeat (2) times, so the count is \(\frac{11!}{2!2!}\). Count letter frequencies carefully in long words.
Exam Tip
कुल (11) अक्षर हैं और (B,I) प्रत्येक (2) बार आते हैं, इसलिए \(\frac{11!}{2!2!}\) है। बड़े शब्दों में अक्षर आवृत्ति सावधानी से गिनें।
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