POSSIBLE ARRANGEMENTS
Number of
Arrangements
1. M, AT
3
GIVEN
Examples:
1. M, A, T
taken 1 at a time
2. M, AT
taken 2 at a time
3. M, A, T
taken 3 at a time
1, 2, 3
taken 1 at a time
2. MA, AM, AT, TA, TH, HT
6
3. MAT, MTA, TMA, TAM, AMT, ATM
6
taken 2 at a time
taken 4 at a time
L, M, N, O, P
taken 2 at a time
L, M, N, O, P
taken 3 at a time​