In a survey of 100 families: 50 read Jang, 40 read Dawn, 30 read Express; 15 read Jang and Dawn, 10 read Dawn and Express, 12 read Jang and Express, and 5 read all three. How many read only Jang?

  1. 45
  2. 35
  3. 23
  4. 28
Answer

D) 28

Only Jang = 50 - 15 - 12 + 5 = 28 (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