Forty (40) students go to a party wearing red, white and blue.
Of these students,
17 wear red, 22 wear white, 25 wear blue.
(Students do not necessarily wear only one colour.)
Furthermore,
7 wear red and white, 12 wear blue and white, and 9 wear red and blue.
Which one of the following alternatives is true?
(Hint: Draw the Venn diagram, fill in the details given, and then first calculate the value of x, the unknown)
a. 5 students wear red only.
8 students wear white and blue, but not red.
3 students wear red and white, but not blue.
b. 2 students wear red only.
11 students wear white and blue, but not red.
6 students wear red and white but not blue
