In a survey of 60 families: 28 read Jang, 25 read Dawn, 20 read Express; 10 read Jang and Dawn, 8 read Dawn and Express, 6 read Jang and Express, and 3 read all three. How many read only Jang?
- 18
- 12
- 15
- 25
Answer
C) 15
Only Jang = 28 - 10 - 6 + 3 = 15 (the triple overlap was subtracted twice, so add it back once). SLO M-09-A-14 · Application
Mathematics MCQ · More Sets and Functions MCQs · Practise