Question

In a class of 200 students who appeared in a certain exam, 35 students failed Test A, 40 in Test B, 40 in Test C, 20 in Test A and B, 17 in B and C, 15 in A and C, and 5 in all the three exams. Find the number of students failed in B or C.

Answer 1

ᏢᏞᎬᎪsᎬ mᎪᏒᏦ Ꭺs bᏒᎪᎥᏁᏞᎥᎬsᏆ ᎪᏁᎠ fᎾᏞᏞᎾᎳ.

Answer 2

don't know sorry sorry