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Words from the letters of the word PROBABILITY
are formed by talking all at a time.The probability
that both B’s are together & both I’s are together is
  • a)
    1/55
  • b)
    2/55
  • c)
    4/155
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Words from the letters of the word PROBABILITYare formed by talking al...
Total sample space =11!/2!×2!

Now, put both I'S and both B'S in a box and consider them two different words and except them we have 7 other words . Therefore, total different words =9
no.of favourable event=9!

P(E)=9!/(11!/2!×2!) =4/110=2/55
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Words from the letters of the word PROBABILITYare formed by talking all at a time.The probabilitythat both B’s are together & both I’s are together isa)1/55b)2/55c)4/155d)None of theseCorrect answer is option 'B'. Can you explain this answer?
Question Description
Words from the letters of the word PROBABILITYare formed by talking all at a time.The probabilitythat both B’s are together & both I’s are together isa)1/55b)2/55c)4/155d)None of theseCorrect answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Words from the letters of the word PROBABILITYare formed by talking all at a time.The probabilitythat both B’s are together & both I’s are together isa)1/55b)2/55c)4/155d)None of theseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Words from the letters of the word PROBABILITYare formed by talking all at a time.The probabilitythat both B’s are together & both I’s are together isa)1/55b)2/55c)4/155d)None of theseCorrect answer is option 'B'. Can you explain this answer?.
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