B. A number of girls bought red, green and black ball pens. Three bought one of
each colour. Of...
Mathematics, 01.03.2020 12:53 tareas7009
B. A number of girls bought red, green and black ball pens. Three bought one of
each colour. Of the girls who bought two colours: 3 did not buy red, 5 not green
and 2 not black. The same number of girls bought red only as bought red with
other colours. The same number bought black only as bought green only. More
girls bought red and black but not green than bought black only, but more girls
bought green only than green and black but not red.
(). Represent this information on a Venn diagram.
(ii). How many girls were there
Answers: 2
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