Correct Answer: 9900
Explanation:
Here in 100P2, P says that permutations and is defined as in how many ways 2 objects can be selected from 100 and can be arranged.
That can be done as,
100 P 2 = 100!/(100 - 2)!
= 100 x 99 x 98!/98!
= 100 x 99
= 9900.
