Grade 11Algebra
SIxty students appeared in a test consisting of three papers 1,2 and 3. Of these students 25 passed in paper 1, 20 in paper 2 and 8 in paper 3. Further, 42 students passed in atleast one of papers 1 and 2, 30 in atleast one of the papers 1 and 3, 25 in atleast papers 2 and 3. only one student passed in all the three papers. then the number of students who failed in all the papers is:(A) 15(B) 17(C) 45(D) 33
SIxty students appeared in a test consisting of three papers 1,2 and 3. Of these students 25 passed in paper 1, 20 in paper 2 and 8 in paper 3. Further, 42 students passed in atleast one of papers 1 and 2, 30 in atleast one of the papers 1 and 3, 25 in atleast papers 2 and 3. only one student passed in all the three papers. then the number of students who failed in all the papers is:
(A) 15
(B) 17
(C) 45
(D) 33
