Question

In a survey, 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 atleast one product
(ii) The number of persons who like the products A and B but not C

Answer 1

I)22

ii)3+6+7

=16

Hope this helps you my dear