Last round of free points (add me as a friend)

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

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?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.