In a survery, it was found that `21` persons liked product `A`, `26` liked product `B` and `29` liked product `C`. If `14` persons liked products `A`
In a survery, it was found that `21` persons liked product `A`, `26` liked product `B` and `29` liked product `C`. If `14` persons liked products `A` and `B`, `12` liked products `C` and `A`, `13` persons liked products `B` and `C` and `8` liked all the three products then
`(i)` Find the number of persons who liked the product `C` only
`(ii)` The number of persons who like the products `A` and `B` but not `C`
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