Questions 1-6
In order to remodel a kitchen, exactly six major tasks—installing appliances, plumbing, refinishing, sanding,tiling, and wallpapering―are to be done over six con-secutive days―numbered 1 through 6. The order of the tasks is governed by the following conditions:Exactly one task must be done each day.Refinishing must be done on the day after sanding is done. Installing appliances and tiling must each be done on some day after the day on which plumbing is done.Wallpapering must be done on some day after the day on which refinishing is done.
1.Which of the following is an acceptable order in which the tasks can be done on days 1 through 6?
(A) Installing appliances, sanding, refinishing,wallpapering, plumbing, tiling
(B) Plumbing, installing appliances, wallpapering,sanding, refinishing, tiling
(C) Plumbing, sanding, refinishing, installing appliances, wallpapering, tiling
(D) Sanding, plumbing, installing appliances,refinishing, tiling, wallpapering
(E) Sanding, refinishing, tiling, wallpapering,plumbing, installing appliances
2.The latest day on which plumbing can be done is day
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
3.If sanding is done on day 1, then wallpapering CANNOT be done on day
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
4.If tiling is done on day 2 and installing appliances is done on day 5, which of the following are the tasks that must be done on days 1 and 6, respectively?
(A) Plumbing, refinishing
(B) Plumbing, wallpapering
(C) Sanding, plumbing
(D) Sanding, wallpapering
(E) Wallpapering, sanding
5.If plumbing is done on day 1 and wallpapering is done on day 5, which of the following can be the tasks that are done on days 2 and 6, respectively?
(A) Refinishing, tiling
(B) Sanding, installing appliances
(C) Sanding, refinishing
(D) Tiling, refinishing
(E) Tiling, sanding
6.If tiling is done on day 3, which of the following must be done on day 2?
(A) Installing appliances
(B) Plumbing
(C) Refinishing
(D) Sanding
(D) Wallpapering
