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Aludin
Questions (1)
a women student is to answer b10 out of 13 questions.find the number of her choices where she must answer
a,the frist two
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Answers (1)
a women student is to answer b10 out of 13 questions.find the number of her choices where she must answer a,the frist two question b,exactly 3 out of the frist 5 question c,the first or second question but not both; at least3 of the frist 5 question
