probability
Assume that there are 6 color letters L1,L2,L3,L4,L5,L6 are to be placed in same color envelop E1,E2,E3,E4,E5,E6 (one letter for each envelop). What is the number of possibilities to place every letter in wrong color envelop? a) 260 b) 265 c) 270 d) 275
Assume that there are 6 color letters L1,L2,L3,L4,L5,L6 are to be placed in same color envelop E1,E2,E3,E4,E5,E6 (one letter for each envelop). What is the number of poss...