It would help if you proofread your questions before you posted them.
What is "85 pass subjects"? What is the missing word?
of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjects
B)calculate the number of students who pass
i)pass math only
ii)pass chemistry only
iii)passed neither
iv)pass only one subject
2 answers
the
1 answer