Logic and sets

In a group of $100$ people, $60$ people like swimming, $50$ people like horse-riding, $36$ people like cycling. Further, $16$ people like swimming and horse riding, $19$ people like swimming and cycling, $15$ people like horse-riding and cycling. How many people in the group enjoy only one of these activities?

There are $47$ students in a class. Among these students $22$ are members of a sports club, $33$ are members of a film club and $20$ students joined a literary club. Further, $17$ students are members of the sports club and the film club, $13$ joined the film club and the literary club, $6$ attend the sports club and the literary club. Only one student is a member of all the clubs. How many students from the class attend neither the sports club nor the literary club?

Choose another correct description of the set $A=((-3;8)\setminus [5;9))\cap \mathbb{N}$.

Find the union $A^{\prime }\cup B$ for $A=(-1;7)$ and $B=[-3;+\mathrm{\infty })$.