On a math exam, students must answer 5 outof 7 questions from Part A and only 2 out of 4questions in Part B. The order in which theychoose the questions does not matter. Inhow many ways can a student answer thequestions on this exam?

Introduction: Suppose, there are n different objects. Out of the total number of objects, r objects…

Answered: On a math exam, students must answer 5…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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On a math exam, students must answer 5 out of 7 questions from Part A and only 2 out of 4 questions in Part B. The order in which they choose the questions does not matter. In how many ways can a student answer the questions on this exam?