Masaken
Unknown Member
(The answer is B, and I know the total number of ways without restriction is 9C3 but I have no idea how to get to the answer, many thanks in advance)
-
Looking for HSC notes and resources? Check out our Notes & Resources page
perms and combs qn (1 Viewer)
- Thread starter Masaken
- Start date
(The answer is B, and I know the total number of ways without restriction is 9C3 but I have no idea how to get to the answer, many thanks in advance)
Would the following working help?
This means that (B) is the correct answer, as mentioned.
This means that (B) is the correct answer, as mentioned.
Masaken
Unknown Member
Thanks!