If the number taking all three subjects is even and non-zero, how many are taking English and Math but not History?
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Friday, January 21, 2011
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If the number taking all three subjects is even and non-zero, how many are taking English and Math but not History?
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This Question is quite complex,data has to be interpreted in set diagram to resolve it easily.Answer for the question is 5 students. :)
ReplyDeleteVenn diagrams would come in very handy for this one.
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