Mathematical logic?
in a class of 120 students 80 students study mathematics , 45 study history and 20 students neither study history nor study mathematics. what is the n
in a class of 120 students 80 students study mathematics , 45 study history and 20 students neither study history nor study mathematics. what is the number of students who study both mathematics and history?
or:in a class of 120 students 80 students study mathematics , 45 study history and 20 students neither study history nor study mathematics. what is the number of students who study both mathematics and history?
or:25
or:25
or:25
or:25. . Correct answer. . (y)
or:25
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