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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

  • set - ,

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

    See your later post.

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