1.
All roses in this garden are red. This flower is not red. Which of the following must be true?
This flower is a rose
This flower is not a rose
Some roses in this garden are not red
All flowers that are not red are not roses
2.
No birds are mammals. Bats are mammals. Which of the following must be true?
Bats are birds
Bats are not birds
Some birds are mammals
All mammals are not birds
3.
All dogs bark. This animal does not bark. Which of the following can be logically concluded?
This animal is not a dog
This animal is a cat
Some dogs do not bark
Not enough information to draw a conclusion
4.
No reptiles have fur. Snakes don't have fur. Which of the following can be logically concluded?
Snakes are reptiles
Snakes are not reptiles
Some reptiles have fur
Not enough information to draw a conclusion
5.
All prime numbers are odd numbers, except for the number 2. 17 is a prime number. Which of the following conclusions can be drawn?
All odd numbers are prime numbers
17 is an odd number
There are no even prime numbers
2 is the only even prime number
6.
All mammals have hair or fur at some point in their lives. Whales are mammals. Which of the following can be concluded?
Whales have hair or fur throughout their entire lives
All animals with hair or fur are mammals
Whales have hair or fur at some point in their lives
Some mammals do not have hair or fur at any point in their lives
7.
If a metal is heated, it expands. This metal has not expanded. Which of the following must be true?
The metal has not been heated
The metal has been cooled
This metal does not respond to heat
Not enough information to draw a conclusion
8.
All insects have six legs. Centipedes have many legs. Which of the following can be concluded?
Centipedes are not insects
All animals with six legs are insects
Insects are the only animals with six legs
Some insects have more than six legs
9.
In a certain school, all students wear either red or blue uniforms. No student who wears a red uniform plays in the band. Which of the following must be true?
All band members wear blue uniforms
Some students who wear blue uniforms do not play in the band
No band members wear blue uniforms
Some students who wear red uniforms play in the band
10.
No fish can breathe out of water. Sharks can breathe out of water. Which of the following must be true?
Sharks are not fish
Sharks are fish
Some fish can breathe out of water
Not enough information to draw a conclusion
Questions Answered: 0/10