Mr. and Mrs. Adams recently attended a party at which there were three other couples. Various handshakes took place. No one shook hands with his/her own spouse, no one shook hands with the same person twice, and of course, no one shook his/her own hand. After all the handshaking was finished, Mr. Adams asked each person including his wife, how many hands he or she had shaken. To his surprise, each gave a different answer. How many hands did Mr. Adams shake?

Mr. and Mrs. Adams recently attended a party at which there were three other couples. Various handshakes took place. No one shook hands with his/her own spouse, no one shook hands with the same person twice, and of course, no one shook his/her own hand. After all the handshaking was finished, Mr. Adams asked each person including his wife, how many hands he or she had shaken. To his surprise, each gave a different answer. How many hands did Mr. Adams shake?

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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After all the handshaking was finished, Mr. Adams asked each person including his wife, how many hands he or she had shaken. To his surprise, each gave a different answer. How many hands did Mr. Adams shake?

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