Question

set theory.in a class test of 45 students,23 passed in paper 1st 15 passsed in paper 1st but not in paper 2nd.using the set theory results.find the no.of student who passed in both paper and passed in 2nd and didn't pass in 1st paper​

Answer 1

pesquisa na internet isso dai que vc vai achar mais rápido

Explicação passo-a-passo:

use o tradutor também