11. Three people (X, Y, Z) are in a room with you. One is a knight (knights always tell the truth), one is a knave(knaves always lie), and the other is a spy (spies may either lie or tell the truth). X says, "I am the knight." Y says,"X isn't lying." Z says, "I am the spy." Which of the following correctly identifies all three people?E.X is the knave.Y is the spy.Z is the knight.В.С.D.А.X is the knightY is the spy.Z is the knave.X is the spy.X is the knight.X is the knave.Y is the knight.Z is the spy.Y is the knave.Y is the knave.Z is the knight.Z is the spy.

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Answered: 11. Three people (X, Y, Z) are in a…

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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Q4. A group of students: Saif, Al Mohanned, Abdullah, Rihab, Shahad, Manar, Thuwaiba, Lamees, and Taqwa walk into a class room which has a table with only 6 chairs. In how many ways can they be seated on the available chairs if order is important.
5. Jason's bakery sells a variety of savoury packs. Jason decides to make only the following two pastry packs to streamline production as they have sold the best over a long period of time. - The Party Pack, which contains three pasties, two sausage rolls, and four pies - The Mini Pack, which contains three pasties, four sausage rolls, and two pies Let "x" be the number of Party Packs sold and "y" be the number of Mini Packs sold. Each day, Jason only bakes 18 pasties, 20 sausage rolls, and 20 pies to sell. a) Complete the table below: Savoury Pack Party Pack Mini Pack no. of Pasties b) Five constraints can be used to model this situation. Complete the constraints below. 3x + 3y ≤ 18 written in slope - intercept form as y = -x + 6 x2_ no. of Sausage Rolls 2x + 4y ≤ 20 written in slope - intercept form as y=-2x + 10 y ≥_ written in slope - intercept form as no. of Pies c) On the grid t
There are 53 students. Of these, 25 are taking Business, 26 are taking English, and 25 are taking Math. 14 are taking both Business and Math, 13 are taking Math and English, and 17 are taking Business and English. 12 students are taking none of these three classes. How many students are taking Business but are not taking Math?
(discrete math) 1. Recall that knights always tell the truth and knaves always lie. You encounter two people, A and B. Determine, if possible, what type both A and B are: A says “The two of us are both knights” and B says “A is a knave.”
C. d. Shakira is older than Reynaldo. 3. Match Students with their Major. Michael, Clarissa, Reggie, and Ellen are attending Florida State University (FSU). One student is a computer science major, one is a chemistry major, one is a business major and one is a biology major. From the following clues, determine which major each student is pursuing. a. Michael and the computer science major are next door neighbors. b. Clarissa and the chemistry major have attended FSU for 2 years. Reggie has attended FSU for 3 years, and the biology major has attended FSU for 4 years. c. Ellen has attended FSU for fewer years than Michael. d. The business major has attended FSU for 2 years. all (r Y) E AX B, (x, y)ER
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There are 40 men in class. 29 of them have no facial hair (i.e. neither a beard nor a mustache). If 7 of the men have beards and 9 of the men have mustaches, how many of the men in the class have both a beard and a mustache? O A. 2 В. 4 O c. 5 D. 7 ОЕ. 16
Alex wishes to pack 8 of his 15 shirts on a trip.( All the shirts are different). He does not wish to pack all 3 of his white shirts nor to pack all 3 of his red shirt. ( This means he has 9 shirts that are neither white nor red) how many ways does he have to pack 8 shirts given these two restrictions?
A baseball fan has a pair of tickets to 6 different home games of the Chicago cubs . if the fan has five friends who like baseball, how many ways he take one of them along to each of the six games

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