ln a survey of 60 people, it was found that 21 people liked product A, 26
liked product B and 29 liked product C. If 14 people liked products A and B, 12
people liked product C and A, 14 people liked product Band C and 8 people
liked all the three products, find (i) how many pe.ople liked product Conly? (ii)
how many people like at least one of the three~ucts? (Ill) how many
people do not like any of the three products
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