There are 25 students in a class. Find the number of ways in which a committee of 3 students is to be formed ?
There are 25 students in a class. Find the number of ways in which a committee of 3 students is to be formed ?
A . 2200
B . 2300
C . 2400
D . 3200
Answer : D . 3200
Explanation:
The number of ways = 25c3
= (25 x 24 x 23) / (1 x 2 x 3)
= 2300