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A survey of 500 television watchers produced the following information:

285 watch football games, 195 watch hockey games, 115 watch basketball games, 4 watch football and basketball games, 70 watch football and hockey games, 50 watch basketball and hockey games. 50 do not watch any three kinds of games. Find:

i) How many in the survey watch all 3 kinds of games?

ii) How many watch exactly one of the sports languages?

iii) Draw Venn Diagram showing results of the survey.

**Mumbai University > Computer Engineering > Sem 3 > Discrete Structures**

**Marks:** 8 Marks

**Year:** May 2015

**1 Answer**