At a party I attended, some people shook hands. At the end, two people were surprised to find that they had both shaken the same number of hands. At a party that I gave, attended only by couples, some people shook hands. Upon enquiry, I discovered at the end that everyone else had shaken a different number of hands. How many hands did my spouse shake?

At a party I attended, some people shook hands. At the end, two people were surprised to find that they had both shaken the same number of hands. At a party that I gave, attended only by couples, some people shook hands. Upon enquiry, I discovered at the end that everyone else had shaken a different number of hands. How many hands did my spouse shake?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Similar questions

Draw two cards from a regular deck. If cards of the same suit are drawn, player I wins, if cards of the same color are drawn, player 2 wins. Justify your answer.
We are choosing participants for a panel discussion on allowing alcohol on a university campus. We must choose 2 administrators from a group of 8 administrators and 2 students from a group of 12 students. How many different panels can be formed?
Audrey Graco plans to conduct book signings in several cities to promote her new novel. She wishes to visit Knoxville, Chattanooga, Chapel Hill, Charlotte, Raleigh, and Richmond. How many different ways can she visit each of these cities and return to her starting point in Wilmington? OO A. 30 OB. 29 OC. 720 OD. 120
In a certain suburban neighborhood, 20 families own minivans, 27 families own BMW sedans, and 9 families own neither a minivan nor a BMW sedan. There are are 40 families in the neighborhood. a. How many families own a minivan or a BMW sedan? b. How many families own a minivan and a BMW sedan? Thank you!
Find the number of full houses in a poker hand, that is, the number of poker hands with three of a kind and two of a kind.
there are eight girls competing in a ice skating competition.in how many ways can they finish in first , second, and third
In how many ways can Mrs. Smith give a chocolate bar, a bag of potato chips, and a can of cane juice to 3 of the 21 students in her class, one item per student?
Bread Meat Spread Mayo (0.5) Honey Oat Ham (0.4) (0.6) Mustard Turkey (0.4) White (0.2) (0.6) Ranch (0.3)
There are 10 students in a class. In how many ways can an instructor give exactly three students a grade A?
At a bus stop, 11 passengers get on a bus with 3 empty seats. In how many different ways can these passengers be seated? (