Site navigation

If 5 boys and 3 girls sit randomly around a circular table, the probability that there will be at least one boy sitting between any two girls is

Question and options

If 5 boys and 3 girls sit randomly around a circular table, the probability that there will be at least one boy sitting between any two girls is
  1. 17\frac{1}{7}
  2. 27\frac{2}{7}
  3. 35\frac{3}{5}
  4. 14\frac{1}{4}

Answer and explanation

Correct answer: B - \(\frac{2}{7}\)
Total circular arrangements 7! = 5040. Seat boys in 4! = 24 ways, place 3 girls in 3 of the 5 gaps: 5P3 = 60. Favourable 1440, probability 1440/5040 = 2/7.

Practice for these exams

  • IPMAT Indore

Related question papers

Related exam syllabi

More solved explanations in Arithmetic