+0  
 
0
51
1
avatar

Find the number of ways of arranging the numbers 1,2 ,3, 4, 5, 6, 7, 8, 9 in a row so that the product of any two adjacent numbers is even.

 Jun 13, 2023
 #1
avatar
0

5!  *  4! ==120 * 24 ==2,880 arrangements possible.

 Jun 13, 2023

2 Online Users

avatar
avatar