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Universal set and absolute complement (Hindi)
We move onto more challenging set ideas and notation like the universal set and absolute complement.
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- sir, i am not able to solve some hard question like" There are 70 students in Math or English or German. Exactly 40 are in Math, 30 in German, 35 in English and 15 in all three courses. How many students are enrolled in exactly two of the courses? Math, English and German."(1 vote)