Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
The number of ways of arranging 8 boys and 8 girls in a row so that boys and girls sit alternately is
MathematicsPermutation CombinationTS EAMCETTS EAMCET 2018 (05 May Shift 2)
Options:
  • A 9 !
  • B $(9 !)(8 !)$
  • C $(8 !)^2$
  • D $2 !(8 !)^2$
Solution:
2747 Upvotes Verified Answer
The correct answer is: $2 !(8 !)^2$
We have, 8 boys and 8 girls.
To tal number of arrangements of 8 boys and 8 girls.
Sit altemately is $8 ! \times 8 ! \times 2 !=2 !(8 !)^2$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.