PrepTest 27, Section 1, Question 9
A zoo's reptile house has a straight row of exactly five consecutive habitats�numbered 1 through 5 from left to right�for housing exactly seven reptiles�four snakes and three lizards. Five of the reptiles are female and two are male. The reptiles must be housed as follows:
A zoo's reptile house has a straight row of exactly five consecutive habitats�numbered 1 through 5 from left to right�for housing exactly seven reptiles�four snakes and three lizards. Five of the reptiles are female and two are male. The reptiles must be housed as follows:
A zoo's reptile house has a straight row of exactly five consecutive habitats�numbered 1 through 5 from left to right�for housing exactly seven reptiles�four snakes and three lizards. Five of the reptiles are female and two are male. The reptiles must be housed as follows:
A zoo's reptile house has a straight row of exactly five consecutive habitats�numbered 1 through 5 from left to right�for housing exactly seven reptiles�four snakes and three lizards. Five of the reptiles are female and two are male. The reptiles must be housed as follows:
No habitat houses more than two reptiles.
No habitat houses both a snake and a lizard.
No female snake is housed in a habitat that is immediately next to a habitat housing a male lizard.
Which one of the following must be true?
At least one female reptile is alone in a habitat.
At least one male reptile is alone in a habitat.
At least one lizard is alone in a habitat.
At least one lizard is male.
At least one snake is male.
Explanations
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