There are 20 students in the group , 15 from them are athletes. it is taken for competition 10 students. find the probability that 10 students are 5 athletes.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?