- #1
pivoxa15
- 2,255
- 1
Homework Statement
In how many ways can the letters of the word POTATOES be arranged in a circle?
Homework Equations
n distinguishable objects can be arranged in a circle in (n-1)! ways.
The Attempt at a Solution
O and T both have two identical copies so it should be 7!/(2!2!)=1260
But the answers suggested 150.
Can't see where I made my mistake.