Level:
Project ID:
1003024602
Accepted:
1
Clonable:
0
Easy:
0
Suppose six pupils are sitting on six chairs in a row. Among them there are twins. In how many ways can the pupils be seated in the row so that the twins do not sit next to each other?
\( 6! -2\cdot5!=480 \)
\( \frac{6!}2=360 \)
\( 2\cdot5!=240 \)
\( 6! -5!=600 \)