Last updated at May 29, 2018 by Teachoo

Transcript

Misc, 7 In an examination, a question paper consists of 12 questions divided into two parts i.e., Part I and Part II, 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? 5 questions in part I and 7 questions in Part II student is required to attempt 8 question & selecting atleast 3 question from part 1 & part 2 Atleast means minimum Option 1 3 from part 1 & 5 from part 2 option 2 4 from part 1 & 4 from part 2 option 3 5 from part 1 & 3 from part 2

Chapter 7 Class 11 Permutations and Combinations

Serial order wise

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.