शब्द (MISSISSIPPI) की व्यवस्थाओं में दोनों (P) साथ हों, ऐसी कितनी भिन्न व्यवस्थाएं हैं?
In arrangements of (MISSISSIPPI), how many distinct arrangements have both (P)'s together?
Explanation opens after your attempt
Correct Answer
D. (6300)
Concept
Treat both (P)'s as one block, giving (10) units with (I) and (S) each repeated four times. Hence the count is (10!/(4!4!)).
Why this answer is correct
The correct answer is D. (6300). Treat both (P)'s as one block, giving (10) units with (I) and (S) each repeated four times. Hence the count is (10!/(4!4!)).
Exam Tip
दोनों (P) को एक खंड मानने पर (10) इकाइयां बनती हैं, जिनमें (I) और (S) चार-चार बार हैं। इसलिए संख्या (10!/(4!4!)) है।
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