In a school, there are 6 students of class 5, 9 students of class 7 and 15 students of class 10. A student is selected at random. Find the probability that student is not part of class 7.
1
3/5
2
7/10
3
2/9
4
3/4
In a school, there are 6 students of class 5, 9 students of class 7 and 15 students of class 10. A student is selected at random. Find the probability that student is not part of class 7.