Eleven buttons differ only by colour. There are 3 red buttons, 4 green buttons and 4 yellow buttons. If the buttons are
Posted: Wed Dec 08, 2021 5:08 am
Eleven buttons differ only by colour. There are 3 red buttons, 4 green buttons and 4 yellow buttons. If the buttons are placed in a row; how many different arrangements are possible? a. 11550 b. 90090 b c. 34650 d. 45678