True/False deductive puzzles are designed to test students’ logical thinking, ability to interpret information, and make conclusions based on the given facts. These questions require careful reading and reasoning to determine if the statements are true or false based on the information provided.
Below is a set of 20 “True/False Deductive Puzzles” for Key Stage 3 students preparing for 11+ assessments.
Sample Example for Understanding
Example:
Statement: All birds can fly. Penguins are birds.
- True or False: Penguins can fly.
Answer:
False – Penguins are birds, but they cannot fly.
True/False Deductive Puzzles: 20 Verbal Reasoning Questions
Question 1:
Statement: All squares are rectangles. All rectangles have four sides.
- True or False: All squares have four sides.
Question 2:
Statement: Tom is older than Jack. Jack is older than Sam.
- True or False: Tom is the youngest.
Question 3:
Statement: No cats are dogs. All dogs are mammals.
- True or False: No cats are mammals.
Question 4:
Statement: In a classroom, all students have either a red or blue pencil. Lily has a blue pencil, and Max has a red pencil.
- True or False: Everyone in the classroom has a blue pencil.
Question 5:
Statement: Alice can play both the piano and the violin. Sophie can only play the piano.
- True or False: Sophie can play more instruments than Alice.
Question 6:
Statement: All fish live in water. Whales live in water.
- True or False: Whales are fish.
Question 7:
Statement: Every Saturday, Liam goes to football practice. Today is Saturday.
- True or False: Liam is at football practice today.
Question 8:
Statement: Sarah owns either a rabbit or a hamster. If Sarah has a rabbit, Emma has a hamster. Sarah does not have a rabbit.
- True or False: Emma has a hamster.
Question 9:
Statement: All trees have leaves. All oaks are trees.
- True or False: All oaks have leaves.
Question 10:
Statement: Some trains are late. All late trains are red.
- True or False: If a train is late, it is red.
Question 11:
Statement: Ben is taller than Lucy. Lucy is shorter than Emily.
- True or False: Emily is taller than Ben.
Question 12:
Statement: Every student in the class is wearing a school uniform. Josh is a student in the class.
- True or False: Josh is wearing a school uniform.
Question 13:
Statement: Some birds are not able to fly. Eagles are birds.
- True or False: All eagles can fly.
Question 14:
Statement: All the people at the party are wearing red or blue shirts. John is wearing a green shirt.
- True or False: John is at the party.
Question 15:
Statement: Every Sunday, Emily visits her grandmother. Today is Sunday.
- True or False: Emily will visit her grandmother today.
Question 16:
Statement: All apples are fruits. All fruits are healthy.
- True or False: All apples are healthy.
Question 17:
Statement: No elephants can fly. Some animals can fly.
- True or False: No elephants are animals.
Question 18:
Statement: Tom either eats pizza or pasta for dinner. If Tom eats pasta, Sam eats pizza. Tom is eating pizza tonight.
- True or False: Sam is eating pizza tonight.
Question 19:
Statement: All birds lay eggs. Penguins are birds.
- True or False: Penguins lay eggs.
Question 20:
Statement: Anna’s birthday is in May. Today is May 5th.
- True or False: Today is Anna’s birthday.
Answers:
Answer 1:
True – All squares have four sides because they are rectangles, and all rectangles have four sides.
Answer 2:
False – Tom is older than Jack, so he cannot be the youngest.
Answer 3:
False – Cats are also mammals, even though they are not dogs.
Answer 4:
False – Not everyone has a blue pencil, as Max has a red pencil.
Answer 5:
False – Alice can play two instruments, whereas Sophie can only play one.
Answer 6:
False – Whales live in water but are not fish; they are mammals.
Answer 7:
True – Since today is Saturday and Liam goes to practice every Saturday, he is at football practice today.
Answer 8:
True – If Sarah doesn’t have a rabbit, Emma must have a hamster.
Answer 9:
True – Since all trees have leaves and oaks are trees, all oaks have leaves.
Answer 10:
True – All late trains are red, so if a train is late, it is red.
Answer 11:
False – We know Ben is taller than Lucy, but we don’t know how Emily compares to Ben.
Answer 12:
True – Since Josh is a student in the class and all students wear uniforms, Josh must be wearing a uniform.
Answer 13:
False – The statement says some birds cannot fly, but it doesn’t specify that all eagles can.
Answer 14:
False – John is wearing a green shirt, so he cannot be at the party where everyone is wearing red or blue.
Answer 15:
True – Since Emily visits her grandmother every Sunday and today is Sunday, she will visit her grandmother.
Answer 16:
True – If all apples are fruits and all fruits are healthy, then all apples are healthy.
Answer 17:
False – Elephants cannot fly, but they are still animals.
Answer 18:
False – Since Tom is eating pizza tonight, Sam will not be eating pizza.
Answer 19:
True – Penguins are birds, and since all birds lay eggs, penguins must lay eggs.
Answer 20:
False – The statement doesn’t say that May 5th is Anna’s birthday, only that her birthday is in May.
These “True/False Deductive Puzzles” help students practise deductive reasoning, encouraging logical thinking and careful interpretation of information. This is essential for excelling in 11+ verbal reasoning assessments.
