A class had 30 students. The class needs to select 3 represntatives. In how many ways can this be done?
A class had 30 students. The class needs to select 3 represntatives. In how many ways can this be done? Correct Answer 4060
A class had 30 students. The class needs to select 3 represntatives. In how many ways can this be done? Correct Answer 4060