Q. If five friends are arranged in a line such that X is at one end, Y is to the immediate right of Z, and W is to the immediate left of Y, which of the following is true?
A.Z is at the other end
B.W is to the left of Z
C.X is to the right of W
D.Y is in the middle
Solution
Since W is to the immediate left of Y and Y is to the immediate right of Z, Y must be in the middle of the arrangement.
Q. If in a row of six books, Book A is placed to the left of Book B, and Book C is placed to the right of Book D, which of the following statements is necessarily true?
A.Book A is to the left of Book D
B.Book B is to the right of Book C
C.Book D is to the left of Book C
D.Book A is to the right of Book C
Solution
Since Book C is to the right of Book D, it must be true that Book D is to the left of Book C.
Correct Answer: C — Book D is to the left of Book C
Q. In a linear arrangement of five friends A, B, C, D, and E, if A is to the left of B and C is to the right of D, which of the following must be true?
A.A is to the left of C
B.D is to the right of A
C.B is to the left of D
D.E is in the middle
Solution
Since A is to the left of B and C is to the right of D, we cannot definitively place E without additional information. However, A being to the left of C is a possible arrangement.
Q. In a linear arrangement of four people P, Q, R, and S, if P is sitting next to Q and R is sitting at one end, which of the following is a possible arrangement?
A.R, P, Q, S
B.S, R, P, Q
C.Q, P, R, S
D.P, S, R, Q
Solution
R can be at one end, and P must be next to Q, making R, P, Q, S a valid arrangement.
