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There are 35 student in class IX A, 34 i...

There are 35 student in class IX A, 34 in IX -B &33 in IX C. If even roll numbers are allowerd project on chapter 2, Polymomials & odd roll number are allotted for chapter -1 , Number system . What is the probability that the student chosen
(i) Prepares project on chapter 1
(ii) Prepare project on chapter 2

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