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The Menagerie (LSAT)

Selmer Bringsjord

Directions: Each group of questions in this section is based on a set of conditions. In answering some of the questions, it may be useful to draw a rough diagram. Choose the response that most accurately and completely answers each question.

Questions 1-6

A zoo curator is selecting animals to import for the zoo's annual summer exhibit. Exactly one male and one female of each of the following types of animal are available: hippo. llama, monkey, ostrich, panther. The following restrictions apply:

If no panthers are selected, then both ostriches must be selected.

A male panther cannot be selected unless a female llama is selected.

If a male monkey is selected, then neither a female ostrich nor a female panther may be selected.

At least one hippo must be selected.

  1. Which one of the following is an acceptable selection of animals for the exhibit?
    1. female hippo, female monkey, male monkey, male ostrich, male panther
    2. female hippo, male llama, female monkey, female ostrich, male ostrich
    3. male hippo, female llama, male llama, female monkey, female ostrich
    4. male hippo, female llama, male monkey, female panther, male panther
    5. female llama, male llama, male monkey, female ostrich, male panther
    a b c d e

  2. Which one of the following must be false?
    1. Both a female hippo and male panther are selected.
    2. Both a male monkey and a female llama are selected.
    3. Both a female ostrich and a male hippo are selected.
    4. All of the animals selected are female.
    5. All of the animals selected are male.
    a b c d e

  3. If a male monkey is selected, then which one of the following animals must also be selected?
    1. female hippo
    2. male hippo
    3. female llama
    4. female monkey
    5. male ostrich
    a b c d e

  4. If the smallest number of animals is selected, then which one of the following animals must be selected?
    1. male hippo
    2. female llama
    3. male monkey
    4. female panther
    5. male panther
    a b c d e

  5. All of the following could be true EXCEPT:
    1. A female llama is the only female animal selected.
    2. A female monkey is the only female animal selected.
    3. A female ostrich is the only female animal selected.
    4. A male ostrich is the only male animal selected.
    5. A male panther is the only male animal selected.
    a b c d e

  6. If a female llama is not selected, then which one of the following is a pair of animals at least one of which must be selected?
    1. female hippo, female monkey
    2. male hippo, male llama
    3. female ostrich, male ostrich
    4. male ostrich, female panther
    5. female panther, male panther
    a b c d e




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Selmer Bringsjord
Tue Sep 23 09:08:48 EDT 1997