Thirteen buttons differ only by colour. There are 4 red buttons, 5 green buttons and 4 yellow buttons. If the buttons ar
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Thirteen buttons differ only by colour. There are 4 red buttons, 5 green buttons and 4 yellow buttons. If the buttons ar
Thirteen buttons differ only by colour. There are 4 red buttons, 5 green buttons and 4 yellow buttons. If the buttons are placed in a row; how many different arrangements are possible? O a. 90090 O b. 11550 O c. 34650 O d. 45678 Meeting now 2
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