Question

Calculate the number of different words that can be obtained by rearranging the letters of the word trust.

Answer 1

There are 5 letters in the word trust and the number of different words that can be obtained from the word trust is; 115

Since, at least 2 letters are required to make a word from the word trust;

We can evaluate the number of different words that can be obtained by rearranging the letters of the word trust as;

• 5! - 5

• = (5×4 × 3 × 2 × 1) - 5

• = 120 - 5

• = 115

Read more on combinations and permutations;

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