Directions: Each question or group of questions is based on a passage, graph, table, or set of conditions. In answering some of the questions, it may be useful to draw a rough diagram. For each question, select the best answer choice given.

Questions 14-18

At the start of a two-week hiking trip, eight women - Fiona, Gabriela, Judith, Karen, Michiko, Sharita, Teresa, and Yuriko - will divide into a River Group and a Hill Group of four members each. After following different trails for one week, the groups will meet and the women will again divide into a River Group and a Hill Group of four members each, which will again follow different trails for a week. The groups must be formed with the following restrictions:

For the first week, Teresa cannot be in the same group as Yuriko.

For the second week, both Teresa and Yuriko must be in the River Group.

For each of the two weeks, if Fiona is in the Hill Group, Karen must also be in the Hill Group.

For each of the two weeks, Judith must be in the same group as Michiko.

14. Which of the following could be the members of the River Group for the first week?

(A) Fiona, Gabriela, Karen, and Yuriko

(B) Fiona, Karen, Michiko, and Sharita

(C) Gabriela, Judith, Sharita, and Teresa

(D) Gabriela, Karen, Teresa, and Yuriko

(E) Gabriela, Sharita, Teresa, and Yuriko

15. If Michiko is in the River Group for the second week, which of the following must be the members of the Hill Group for that week?

(A) Fiona, Gabriela, Judith, and Sharita

(B) Fiona, Gabriela, Karen, and Sharita

(C) Gabriela, Judith, Karen, and Sharita

(D) Gabriela, Judith, Sharita, and Yuriko

(E) Judith, Karen, Teresa, and Yuriko

16. If, for each week, Sharita is in a different group from Teresa, Sharita must be in a group with which of the following for exactly one week?

(A) Fiona

(B) Gabriela

(C) Karen

(D) Michiko

(E) Yuriko

17. If Judith is in the Hill Group for the first week, which of the following must be in the River Group for that week?

(A) Fiona

(B) Gabriela

(C) Michiko

(D) Sharita

(E) Teresa

18. If exactly two women change groups at the end of the first week, those two women could be which of the following?

(A) Gabriela and Karen

(B) Gabriela and Sharita

(C) Karen and Sharita

(D) Karen and Yuriko

(E) Teresa and Yuriko

Detailed Explanation (in Bangla)

Answer Keys

Question

14

15

16

17

18

Answer

A

B

E

A

D

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