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[" (i) For a certain test,a candidate co...

[" (i) For a certain test,a candidate could offer "],[" English or Hindi or both the subjects.Total "],[" number of students was "500" ,of whom "350],[" appeared in English and "90" in both subjects."],[" Use set operations to show : "],[" (a) How many appeared in Hindi? "],[" (b) How many appeared in English only? "],[" (c) How many appeared in Hindi only? "]

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