5 girls and 10 boys sit at random in a row having 15 chairs numbered as 1 to 15. Find the…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
5 girls and 10 boys sit at random in a row having 15 chairs numbered as 1 to 15. Find the probability that end seats are occupied by the girls and between any two girls odd number of boys sit, is
- \(\frac{20 \times 10!\times 5!}{15!}\)
- \(\frac{20 \times 10!}{15!}\)
- \(\frac{20 \times 5!}{15!}\)
- none of these
Answer
(A) 20 10! 5! 15!
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Three persons A, B and C fire at a target in turn, starting with A. Their probabilities of hitting the target…
- If v is the variance and is the standard deviation, then
- A pair of dice is rolled again and again till a total of 5 or a total of 7 is obtained. The chance that a…
- Statement–I: The average marks of boys in a class is 52 and that of girls is 42 . The average marks of boys…
- The variance of 20 observations is 5 . If each observation is multiplied by 2, then the new variance of the…
- An Urn contains ‘m’ white and ‘n’ black balls. All the balls except for one ball, are drawn from it. The…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT …
- For the three events A, B and C, P (exactly one of the events A or B occurs) = P (exactly one of the events B…
More Statistics and Probability questions · Browse all practice questions