In a group of 15 women, 7 have nose studs, 8 have ear rings and 3 have neither. How many of these have both nose studs and ear rings?

In a group of 15 women, 7 have nose studs, 8 have ear rings and 3 have

1.	In a group of 15 women, 7 have nose studs, 8 have ear rings and 3 have neither. How many of these have both nose studs and ear rings?
A.	0
B.	2
C.	7
D.	3
Answer» E.