Question 104445
63 like rock - 22 like rap & rock - 11 like rock & jazz - 3 like all 3 ... so 27 like JUST rock


49 like rap - 22 like rap & rock - 2 like rap & jazz - 3 like all 3 ... so 22 like JUST rap


24 like jazz - 2 like rap & jazz - 11 like rock & jazz - 3 like all 3 ... so 8 like JUST jazz


3 like all 3
11 like just rock & jazz
22 like just rap & rock
2 like just rap & jazz
27 like just rock
22 like just rap
8 like just jazz


so 95 people like some kind of music ... leaving 5 who don't like any



if you remember Venn diagrams - the intersecting circles - you could solve it that way