Q. Given the constraints that task X must be completed before task Y and task Z cannot start until task Y is finished, which of the following is a valid sequence?
A.
Y, X, Z
B.
X, Y, Z
C.
Z, Y, X
D.
X, Z, Y
Show solution
Solution
The sequence X, Y, Z respects the constraints that X is before Y and Y is before Z.
Correct Answer:
B
— X, Y, Z
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Q. Given the constraints that X must be scheduled before Y, and Z must be scheduled after Y, which of the following sequences is correct?
A.
X, Y, Z
B.
Y, Z, X
C.
Z, X, Y
D.
Y, X, Z
Show solution
Solution
The sequence X, Y, Z satisfies both conditions where X is before Y and Z is after Y.
Correct Answer:
A
— X, Y, Z
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Q. Given the tasks A, B, C, D, and E, if A and B must be completed before C, and C must be completed before D, which of the following is a possible order of completion?
A.
B, A, C, D, E
B.
C, A, B, D, E
C.
A, C, B, D, E
D.
D, C, A, B, E
Show solution
Solution
The order B, A, C, D, E satisfies the conditions that A and B are before C, and C is before D.
Correct Answer:
A
— B, A, C, D, E
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Q. Given the tasks A, B, C, D, and E, if A and B must be done before C, and C must be done before D, which of the following is a possible order?
A.
D, C, A, B, E
B.
A, B, C, D, E
C.
C, A, B, D, E
D.
B, A, E, C, D
Show solution
Solution
The order A, B, C, D, E satisfies all the constraints that A and B are before C, and C is before D.
Correct Answer:
B
— A, B, C, D, E
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Q. Given the tasks A, B, C, D, and E, if A and B must be done before C, and C must be done before D, which of the following is a possible order of completion?
A.
B, A, C, D, E
B.
C, A, B, D, E
C.
A, C, B, D, E
D.
D, C, A, B, E
Show solution
Solution
The order B, A, C, D, E satisfies the conditions that A and B are before C, and C is before D.
Correct Answer:
A
— B, A, C, D, E
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Q. Given the tasks A, B, C, D, and E, if A and B must be done before C, and C must be done before D, which of the following is an incorrect order?
A.
A, B, C, D, E
B.
B, A, C, D, E
C.
C, A, B, D, E
D.
A, C, B, D, E
Show solution
Solution
C cannot precede A or B, making the order C, A, B, D, E incorrect.
Correct Answer:
C
— C, A, B, D, E
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Q. Given the tasks A, B, C, D, and E, if A and B must be done before C, and C must be done before D, which of the following is an invalid order?
A.
A, B, C, D, E
B.
B, A, C, D, E
C.
C, A, B, D, E
D.
A, C, B, D, E
Show solution
Solution
C cannot precede A or B, making the order C, A, B, D, E invalid.
Correct Answer:
C
— C, A, B, D, E
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Q. Given the tasks P, Q, R, and S, if P must be done before Q and R, and S can be done at any time, which of the following is a possible order of completion?
A.
P, Q, R, S
B.
R, P, Q, S
C.
S, P, Q, R
D.
Q, R, P, S
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Solution
The order P, Q, R, S respects the dependency of P on Q and R.
Correct Answer:
A
— P, Q, R, S
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Q. If a class is scheduled every Tuesday and Thursday, which of the following days can a student not attend without missing a class?
A.
Monday
B.
Wednesday
C.
Friday
D.
Saturday
Show solution
Solution
Wednesday is the only day where a student cannot attend without missing a class.
Correct Answer:
B
— Wednesday
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Q. If a conference is scheduled to last for 3 hours and must start between 1 PM and 3 PM, which of the following is a valid start time?
A.
12:30 PM
B.
1:30 PM
C.
2:45 PM
D.
3:15 PM
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Solution
1:30 PM is valid as it allows the conference to end by 4:30 PM, which is within the allowed time frame.
Correct Answer:
B
— 1:30 PM
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Q. If a task must be completed by Friday and takes 3 days, starting from Wednesday, which of the following is the latest possible start day?
A.
Monday
B.
Tuesday
C.
Wednesday
D.
Thursday
Show solution
Solution
Thursday is the latest start day as the task will then complete by Saturday, which is not allowed.
Correct Answer:
D
— Thursday
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Q. If task A must be completed before task B, and task B must be completed before task C, which of the following is a correct sequence?
A.
C, B, A
B.
B, A, C
C.
A, C, B
D.
A, B, C
Show solution
Solution
A, B, C is the correct sequence as it respects the order of dependencies.
Correct Answer:
D
— A, B, C
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Q. If task B cannot start until task A is completed, which of the following is a logical conclusion?
A.
A must be completed after B.
B.
B can start at the same time as A.
C.
B can only start after A is completed.
D.
A and B can be completed simultaneously.
Show solution
Solution
The condition states that B cannot start until A is completed, making this the only valid conclusion.
Correct Answer:
C
— B can only start after A is completed.
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Q. If task B cannot start until task A is finished, and task C can start at the same time as task A, which of the following is true?
A.
B starts before A
B.
C starts after A
C.
C can start before B
D.
A and B can start simultaneously
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Solution
C can start before B since it is only dependent on A.
Correct Answer:
C
— C can start before B
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Q. If task B must be completed after task A and before task C, which of the following sequences is valid?
A.
C, B, A
B.
A, B, C
C.
B, A, C
D.
A, C, B
Show solution
Solution
The sequence A, B, C correctly places B after A and before C.
Correct Answer:
B
— A, B, C
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Q. If task C can only start after both tasks A and B are completed, which of the following is a correct statement?
A.
C can start before A and B.
B.
C can start after A or B.
C.
C can start only after A and B.
D.
C can start at the same time as A.
Show solution
Solution
C's start is contingent upon the completion of both A and B, making option 3 correct.
Correct Answer:
C
— C can start only after A and B.
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Q. If task C cannot start until both tasks A and B are completed, which of the following is a valid conclusion?
A.
C can start before A
B.
C can start before B
C.
C can start only after A and B
D.
C can start simultaneously with A
Show solution
Solution
C can only start after both A and B are completed, making the conclusion valid.
Correct Answer:
C
— C can start only after A and B
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Q. If task C is dependent on both tasks A and B being completed, which of the following is a correct statement?
A.
C can start before A and B.
B.
C can start after A or B.
C.
C can start only after A and B.
D.
C can start at the same time as A.
Show solution
Solution
C can only start after both A and B are completed, as it is dependent on them.
Correct Answer:
C
— C can start only after A and B.
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Q. If task C must be completed before task A, and task A must be completed before task D, which of the following is a correct inference?
A.
C can start after A
B.
D can start before A
C.
A can start before C
D.
D can start only after C
Show solution
Solution
D can only start after both A and C are completed, making the inference correct.
Correct Answer:
D
— D can start only after C
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Q. If task D must be completed before task E and task F can only start after task D, which of the following is true?
A.
E can start before D.
B.
F can start before E.
C.
D must be completed before both E and F.
D.
E must be completed before D.
Show solution
Solution
D must be completed before both E and F, as per the given conditions.
Correct Answer:
C
— D must be completed before both E and F.
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Q. If task E can only start after tasks A and D are completed, which of the following is a correct statement regarding the scheduling of these tasks?
A.
E can start before A and D.
B.
E can start after A or D.
C.
E can start only after both A and D are completed.
D.
E can start at any time.
Show solution
Solution
E can only start after both A and D are completed, as per the given condition.
Correct Answer:
C
— E can start only after both A and D are completed.
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Q. If task E cannot start until both tasks A and C are completed, which of the following statements is true?
A.
E can start before A
B.
E can start before C
C.
E can start after A and C
D.
E can start only after A or C
Show solution
Solution
E can only start after both A and C are completed, making the statement true.
Correct Answer:
C
— E can start after A and C
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Q. If task E is dependent on both tasks A and D being completed, which of the following is a correct statement?
A.
E can start before A
B.
E can start before D
C.
E can start only after A and D
D.
E can start after A or D
Show solution
Solution
E can only start after both A and D are completed, making this statement correct.
Correct Answer:
C
— E can start only after A and D
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Q. If task F can only begin after tasks G and H are completed, and task H can only begin after task I, which of the following is true?
A.
F can start before G.
B.
H can start before I.
C.
F can start after I.
D.
G can start after H.
Show solution
Solution
F can start after I because H must be completed after I, and G must be completed before F.
Correct Answer:
C
— F can start after I.
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Q. If task F cannot start until both tasks D and E are completed, which of the following is a correct statement?
A.
F can start before D
B.
F can start before E
C.
F can start after D and E
D.
F can start only after D or E
Show solution
Solution
F can only start after both D and E are completed, making the statement correct.
Correct Answer:
C
— F can start after D and E
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Q. If task F must be completed before task G and task H can only start after task F, which of the following is true?
A.
G can start before F.
B.
H can start before G.
C.
F must be completed before both G and H.
D.
G must be completed before F.
Show solution
Solution
F must be completed before both G and H according to the given constraints.
Correct Answer:
C
— F must be completed before both G and H.
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Q. If task F must be completed before task G, and task G must be completed before task H, which of the following is a valid sequence?
A.
H, G, F
B.
F, H, G
C.
F, G, H
D.
G, F, H
Show solution
Solution
The sequence F, G, H respects the order that F is before G and G is before H.
Correct Answer:
C
— F, G, H
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Q. If task F must be completed before task G, and task H can only start after task F, which of the following is a correct inference?
A.
G can start before F.
B.
H can start before G.
C.
F must be completed before both G and H.
D.
G must be completed before H.
Show solution
Solution
F must be completed before both G and H, as G depends on F and H starts after F.
Correct Answer:
C
— F must be completed before both G and H.
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Q. If task J cannot start until task K is finished, and task K cannot start until task L is finished, which of the following is a correct inference?
A.
J can start before L.
B.
K can start before J.
C.
L must be completed before J.
D.
J can start at the same time as K.
Show solution
Solution
L must be completed before J can start, as J is dependent on K, which is dependent on L.
Correct Answer:
C
— L must be completed before J.
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Q. If task M can only be done after task N and task O, which of the following sequences is valid?
A.
N, O, M
B.
M, N, O
C.
O, M, N
D.
N, M, O
Show solution
Solution
The sequence N, O, M is valid as M is done after both N and O.
Correct Answer:
A
— N, O, M
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