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In an examination a question paper …

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In an examination a question paper consist of 12 questions divided into two parts part 1 and part2 containing 5 and 7 questions respectively. A student is required to attempt 8 questions in all, selecting at least 3 from each part .In how many ways can a student select the questions?
  • 1 answers

Prashant Kumar 7 years, 10 months ago

5c3×7c5+5c4×7c4+5c5×7c3
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