Question

A number of girls bought red ,green and black pens. Three bought one of each color. Of the girls who bought two colors, 3 did not buy red ,5not green and 2 not black. The same number of girls bought red only as bought red with other colors. The number who bought black but not green then bought black only, but More girls bought green only than bought green and black but not red. How many girls were there.

Answer 1

Answer:

21 maybe ?

hope it was right