Out of 100 students, 15 passed in english, 12 passed in mathematics, 8 in science, 6 in english and mathematics, 7 in maths and science, 4 in english and science, 4 in all three. find how many students passed in english and mathematics but not in science
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11 in English and 5 in mathematics
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The answer obviously is 33...
because, here given- 15 in english, 12 in maths and 6 in both science and maths.. so adding up all these gives you 33...
You would not like to mess with other data because there, The number of students that passed in subjects including science is given and according to question... you have to deal with students who passed in english and maths..... Kinda fuss, no??
because, here given- 15 in english, 12 in maths and 6 in both science and maths.. so adding up all these gives you 33...
You would not like to mess with other data because there, The number of students that passed in subjects including science is given and according to question... you have to deal with students who passed in english and maths..... Kinda fuss, no??
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