![]() ![]() ![]() Find: i) How many read none of the magazines? ii) How many read magazine C only? iii) How many read magazine A only? iv) How many read magazine B & C but not A? In a survey of 100 persons, it was found that 28 read magazine A, 30 read magazine B, 42 read magazine C, 8 read magazines A and B, 10 read magazine A and C, 5 read magazine B and C and 3 read all the three.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |