For Six candidates ordered F,A,D,B,E,C; the first after moving C to the front, identify the requested position or person.
Correct answer: C
Moving the last candidate to the front places C first.
Reasoning
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Evaluate the two proposed answers. Which are supported? I. Five books are left-to-right A,C,E,B,D; the book immediately right of E — the requested position or person: B. II. Scores satisfy p>q, r>p and s<q; the second lowest variable — the requested position or person: q.
Correct answer: A
I is correct: Five books are left-to-right A,C,E,B,D; the book immediately right of E → B. B occupies the next position after E. II is correct: Scores satisfy p>q, r>p and s<q; the second lowest variable → q. Ascending order is s,q,p,r.
Evaluate the two proposed answers. Which are supported? I. Six candidates ordered F,A,D,B,E,C; the candidate between B and C — the requested position or person: q. II. A pupil is ninth from the front and twelfth from the back; total queue size — the requested position or person: B.
Correct answer: C
I is incorrect: Six candidates ordered F,A,D,B,E,C; the candidate between B and C → E. The last three are B-E-C. II is incorrect: A pupil is ninth from the front and twelfth from the back; total queue size → 20. Total=9+12−1.
For L arrives before M but after K, and N arrives after M; the earliest, identify the requested position or person.
Correct answer: B
The forced order is K-L-M-N.
Evaluate the two proposed answers. Which are supported? I. Five books are left-to-right A,C,E,B,D; the book immediately right of E — the requested position or person: K. II. M is taller than N, N taller than O, and P taller than M; the shortest — the requested position or person: O.
Correct answer: A
I is incorrect: Five books are left-to-right A,C,E,B,D; the book immediately right of E → B. B occupies the next position after E. II is correct: M is taller than N, N taller than O, and P taller than M; the shortest → O. The order from tallest is P-M-N-O.
For Six candidates ordered F,A,D,B,E,C; A's new rank after F leaves, identify the requested position or person.
Correct answer: C
Removing the first candidate shifts A into first place.
Evaluate the two proposed answers. Which are supported? I. L arrives before M but after K, and N arrives after M; the earliest — the requested position or person: K. II. A pupil is ninth from the front and twelfth from the back; total queue size — the requested position or person: O.
Correct answer: A
I is correct: L arrives before M but after K, and N arrives after M; the earliest → K. The forced order is K-L-M-N. II is incorrect: A pupil is ninth from the front and twelfth from the back; total queue size → 20. Total=9+12−1.
For A is left of B, B is left of C, and C is left of D in a four-person row; the leftmost person, identify the requested position or person.
Correct answer: C
The constraints force the order A-B-C-D.
Evaluate the two proposed answers. Which are supported? I. Six candidates ordered F,A,D,B,E,C; A's new rank after F leaves — the requested position or person: O. II. Scores satisfy p>q, r>p and s<q; the second lowest variable — the requested position or person: W.
Correct answer: D
I is incorrect: Six candidates ordered F,A,D,B,E,C; A's new rank after F leaves → 1st. Removing the first candidate shifts A into first place. II is incorrect: Scores satisfy p>q, r>p and s<q; the second lowest variable → q. Ascending order is s,q,p,r.
For Five books are left-to-right A,C,E,B,D; the middle book, identify the requested position or person.
Correct answer: C
The third of five positions is the middle.
Evaluate the two proposed answers. Which are supported? I. Six candidates ordered F,A,D,B,E,C; the candidate between B and C — the requested position or person: A. II. Six candidates ordered F,A,D,B,E,C; D's rank from the end — the requested position or person: 4th.
Correct answer: A
I is incorrect: Six candidates ordered F,A,D,B,E,C; the candidate between B and C → E. The last three are B-E-C. II is correct: Six candidates ordered F,A,D,B,E,C; D's rank from the end → 4th. D is third from the start, so sixth-minus-third-plus-one is fourth.
For P is immediately before Q, Q immediately before R, and S is before P; the last of these four, identify the requested position or person.
Correct answer: D
The only order is S-P-Q-R.
Evaluate the two proposed answers. Which are supported? I. A pupil is ninth from the front and twelfth from the back; total queue size — the requested position or person: 20. II. Six candidates ordered F,A,D,B,E,C; the first after moving C to the front — the requested position or person: 18th.
Correct answer: C
I is correct: A pupil is ninth from the front and twelfth from the back; total queue size → 20. Total=9+12−1. II is incorrect: Six candidates ordered F,A,D,B,E,C; the first after moving C to the front → C. Moving the last candidate to the front places C first.
For Scores satisfy p>q, r>p and s<q; the second lowest variable, identify the requested position or person.
Correct answer: A
Ascending order is s,q,p,r.
Evaluate the two proposed answers. Which are supported? I. Four files are ordered W before X, Y after X, Z before W; the second file — the requested position or person: W. II. Five books are left-to-right A,C,E,B,D; the middle book — the requested position or person: E.
Correct answer: B
I is correct: Four files are ordered W before X, Y after X, Z before W; the second file → W. The order is Z-W-X-Y. II is correct: Five books are left-to-right A,C,E,B,D; the middle book → E. The third of five positions is the middle.
Evaluate the two proposed answers. Which are supported? I. Six candidates ordered F,A,D,B,E,C; the first after moving C to the front — the requested position or person: C. II. Six candidates ordered F,A,D,B,E,C; the candidate between B and C — the requested position or person: q.
Correct answer: C
I is correct: Six candidates ordered F,A,D,B,E,C; the first after moving C to the front → C. Moving the last candidate to the front places C first. II is incorrect: Six candidates ordered F,A,D,B,E,C; the candidate between B and C → E. The last three are B-E-C.
For M is taller than N, N taller than O, and P taller than M; the shortest, identify the requested position or person.
Correct answer: A
The order from tallest is P-M-N-O.
Evaluate the two proposed answers. Which are supported? I. Five books are left-to-right A,C,E,B,D; the book immediately right of E — the requested position or person: K. II. P is immediately before Q, Q immediately before R, and S is before P; the last of these four — the requested position or person: 20.
Correct answer: C
I is incorrect: Five books are left-to-right A,C,E,B,D; the book immediately right of E → B. B occupies the next position after E. II is incorrect: P is immediately before Q, Q immediately before R, and S is before P; the last of these four → R. The only order is S-P-Q-R.
For Six candidates ordered F,A,D,B,E,C; D's rank from the end, identify the requested position or person.
Correct answer: A
D is third from the start, so sixth-minus-third-plus-one is fourth.
Evaluate the two proposed answers. Which are supported? I. Five books are left-to-right A,C,E,B,D; the book second from the right — the requested position or person: B. II. Five books are left-to-right A,C,E,B,D; the middle book — the requested position or person: T.
Correct answer: B
I is correct: Five books are left-to-right A,C,E,B,D; the book second from the right → B. Counting from the right gives D then B. II is incorrect: Five books are left-to-right A,C,E,B,D; the middle book → E. The third of five positions is the middle.
For Four files are ordered W before X, Y after X, Z before W; the second file, identify the requested position or person.
Correct answer: A
The order is Z-W-X-Y.
Evaluate the two proposed answers. Which are supported? I. Six candidates ordered F,A,D,B,E,C; A's new rank after F leaves — the requested position or person: 1st. II. Six candidates ordered F,A,D,B,E,C; the candidate between B and C — the requested position or person: E.
Correct answer: D
I is correct: Six candidates ordered F,A,D,B,E,C; A's new rank after F leaves → 1st. Removing the first candidate shifts A into first place. II is correct: Six candidates ordered F,A,D,B,E,C; the candidate between B and C → E. The last three are B-E-C.
For Five books are left-to-right A,C,E,B,D; the book immediately right of E, identify the requested position or person.
Correct answer: A
B occupies the next position after E.
Evaluate the two proposed answers. Which are supported? I. Six candidates ordered F,A,D,B,E,C; the candidate two places before B — the requested position or person: A. II. Six candidates ordered F,A,D,B,E,C; the first after moving C to the front — the requested position or person: C.
Correct answer: C
I is correct: Six candidates ordered F,A,D,B,E,C; the candidate two places before B → A. B is fourth and A is second. II is correct: Six candidates ordered F,A,D,B,E,C; the first after moving C to the front → C. Moving the last candidate to the front places C first.
For Five books are left-to-right A,C,E,B,D; the number of books between A and D, identify the requested position or person.
Correct answer: B
C,E and B lie between the end books.