In the class of 45 students it is known that 24 of them do art 20 do chemistry 22 do biology all of the students do at least one of the three subject while 7 do art and biology 6 do art and chemistry but only not biology and do chemistry and biology

How many do
1, biology only or chemistry only or art only
2, two subject

3 answers

I need your answer please
Now
make a Venn diagram