You are given a puzzle box that can be opened only by pressing exactly 3 buttons in a sequence. The buttons are labeled A, B, C, D, and E. If each button can be pressed only once, how many different sequences of 3 buttons can you press to open the box?
Share
The sequence are ABC BCD CDE EAB EDC CBA BAE
The sequence are
See lessABC
BCD
CDE
EAB
EDC
CBA
BAE