?????? study english and history
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if 80 students studying for a sessional examination, 34 students study english, 29 study history while 42 study geography study english and history, 14 study geography and history and 8 study english and geography while 4 students did not study any of the three subjects. (1) how many students study the three subjects? (2) how many students study any combination of two subjects only?
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Don have any ideas
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