Question

How many ways can the letters of the word ORGANISM be arranged so the third letter is G? A. 7 B. 8 C. 5040 D. 40,320

Answer 1

3rd letter is fixed, so you only have to worry about the other letters
There are seven other letters, so there are 7! arrangements
7!= 5040

Answer 2

C.) 5,040
7*6*5*4*3*2*1
That's how mate.