In a class of 200 student,50 offer biology,45 offer geography and 55 offer economics.If 15...

In a class of 200 student,50 offer biology,45 offer geography and 55 offer economics.If 15 students offer biology and geography,25 offer geography and economics,and 30 offer biology and economics, and 5 students offer either of the three subjects,find:1)find the number of students that offer all the three subjects.2)find the number of students that offer at least two of the subjects 3)find the number of students that offer only one of the subject 4)if the rule of the school is that for you to pass a subject,you must score 50% and above.find the number of students that must be al allowed to fail because they could not meet the cut off mark.?

In Mathematics
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Asked by Kenechukwu on 30th May, 2022