A papers contains 10 questions witte total marks of 40 and solving each question is mandatory. In paper, these are 3 types of questions i.e.2 marks, 4 marks & 6
marks questions. If someone attempt paper
& got 38 marks, then probability
that 3 questions of 6 marks is (There is no -ve marking)
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Answer:
required probability is 1/5
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