2) In a survey, it is found that 21 people likes product A, 26 people like product B and 29 people like product
C.If 14 people like product A and B ,15 people like product B and C and 12 people like product C and A, and
8 people liked ail the three products. find
i) How many people are surveyed in all?
ii) How many like product C only?
12
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