Question

Five distinct items A B C D and E are to be placed in distinct boxes numbered as 1,2,3,4 &5. Items B and E cannot be grouped together. Maximum number of boxes can be left out without item is?

Answer 1

Five distinct items A, B, C, D and E are to be placed in distinct boxes numbered as 1, 2, 3, 4, 5. Items B and E cannot be grouped together. Maximum number of boxes can be left out without items is 3. This is done by finding the combination