In how many ways can five science books and six mathematics book can placed on a shelf if they must be placed alternately
solution
Science books: 5!=5*4*3*2*1=120
Mathematics books: 6!=6*5*4*3*2*1=720
We multiply 120*720= 86400
Need a fast expert's response?
and get a quick answer at the best price
for any assignment or question with DETAILED EXPLANATIONS!
Comments
Leave a comment