Question

How many words, with or without meaning, can be formed by using the letters of the word $TRIANGLE$ ?

Answer 1

Words that can be formed from given letters,

As all letters are distinct and no. of letters equal to $8$.So, 8 positions can be filled with 8 letters.

Using fundamental principle of counting,

No. of words are = $8\ast 8\ast 8\ast 8\ast 8\ast 8\ast 8\ast 8=8!=40,320$