A members in a sports academy play one or two or all of the three games – Tennis, Squash, Badminton. 5 members play only tennis, 8 play only squah, 7 play only badminton. Three members play only two games – Tennis and Squash. Four members play only Squash and Badminton. Four other members play only Tennnis and Badminton. Two members play all the three games.
In all how many members play Squash?