Remember:
This does not apply if there are identical objects.
Permutation of Objects
The number of ways n distinct objects can be ordered is n.
Example:
Number of ways 6 people can from a queue is 6.
Number of ways 5 different cars can be parked in 5 parking spaces is 5.
Remember:
This does not apply if there are identical objects or ordering does not matter.
以上是读书人网小编为大家整理的新GRE数学重要考点知识，希望考生对以上内容适当复习，能取得好的成绩!
