The word "LIMCA" consists of 5 distinct letters: L, I, M, C, A. The number of different ways to arrange these letters is given by the number of permutations of 5 distinct letters, which is 5!=5×4×3×2×1=1205!=5\times 4\times 3\times 2\times 1=1205!=5×4×3×2×1=120 ways
. Therefore, the letters of the word "LIMCA" can be arranged in 120 different ways.