Logical Consistency MCQs with Answers

Logical Consistency MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Logical Consistency MCQs for Preparation.

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Logical Consistency Online MCQs with Answers

Which of the following statements is logically consistent?
a) All cats are mammals. No cats have fur.
b) All cats are mammals. Some cats have fur.
c) All cats are mammals. All cats have fur.
d) All cats are mammals. Some cats do not have fur.

Answer
b) All cats are mammals. Some cats have fur.

Which of the following statements is logically consistent?
a) All students are hardworking. No students are intelligent.
b) All students are hardworking. Some students are intelligent.
c) All students are hardworking. All students are intelligent.
d) All students are hardworking. Some students are not intelligent.

Answer
b) All students are hardworking. Some students are intelligent.

Which of the following statements is logically consistent?
a) All birds can fly. No birds have wings.
b) All birds can fly. Some birds have wings.
c) All birds can fly. All birds have wings.
d) All birds can fly. Some birds do not have wings.

Answer
c) All birds can fly. All birds have wings.

Which of the following statements is logically consistent?
a) All dogs are mammals. No dogs have four legs.
b) All dogs are mammals. Some dogs have four legs.
c) All dogs are mammals. All dogs have four legs.
d) All dogs are mammals. Some dogs do not have four legs.

Answer
c) All dogs are mammals. All dogs have four legs.

Which of the following statements is logically consistent?
a) All cars are vehicles. No cars have engines.
b) All cars are vehicles. Some cars have engines.
c) All cars are vehicles. All cars have engines.
d) All cars are vehicles. Some cars do not have engines.

Answer
b) All cars are vehicles. Some cars have engines.

Which of the following statements is logically consistent?
a) All apples are fruits. No apples are red.
b) All apples are fruits. Some apples are red.
c) All apples are fruits. All apples are red.
d) All apples are fruits. Some apples are not red.

Answer
b) All apples are fruits. Some apples are red.

Which of the following statements is logically consistent?
a) All elephants are mammals. No elephants have trunks.
b) All elephants are mammals. Some elephants have trunks.
c) All elephants are mammals. All elephants have trunks.
d) All elephants are mammals. Some elephants do not have trunks.

Answer
b) All elephants are mammals. Some elephants have trunks.

Which of the following statements is logically consistent?
a) All computers are machines. No computers are electronic.
b) All computers are machines. Some computers are electronic.
c) All computers are machines. All computers are electronic.
d) All computers are machines. Some computers are not electronic.

Answer
b) All computers are machines. Some computers are electronic.

Which of the following statements is logically consistent?
a) All roses are flowers. No roses are red.
b) All roses are flowers. Some roses are red.
c) All roses are flowers. All roses are red.
d) All roses are flowers. Some roses are not red.

Answer
b) All roses are flowers. Some roses are red.

Which of the following statements is logically consistent?
a) All fish can swim. No fish live in water.
b) All fish can swim. Some fish live in water.
c) All fish can swim. All fish live in water.
d) All fish can swim. Some fish do not live in water.

Answer
b) All fish can swim. Some fish live in water.

Which of the following statements is logically consistent?
a) All trees are plants. No trees have leaves.
b) All trees are plants. Some trees have leaves.
c) All trees are plants. All trees have leaves.
d) All trees are plants. Some trees do not have leaves.

Answer
c) All trees are plants. All trees have leaves.

Which of the following statements is logically consistent?
a) All birds have wings. No birds can fly.
b) All birds have wings. Some birds can fly.
c) All birds have wings. All birds can fly.
d) All birds have wings. Some birds cannot fly.

Answer
b) All birds have wings. Some birds can fly.

Which of the following statements is logically consistent?
a) All spiders are insects. No spiders have eight legs.
b) All spiders are insects. Some spiders have eight legs.
c) All spiders are insects. All spiders have eight legs.
d) All spiders are insects. Some spiders do not have eight legs.

Answer
c) All spiders are insects. All spiders have eight legs.

Which of the following statements is logically consistent?
a) All pens are writing instruments. No pens have ink.
b) All pens are writing instruments. Some pens have ink.
c) All pens are writing instruments. All pens have ink.
d) All pens are writing instruments. Some pens do not have ink.

Answer
b) All pens are writing instruments. Some pens have ink.

Which of the following statements is logically consistent?
a) All houses are buildings. No houses have windows.
b) All houses are buildings. Some houses have windows.
c) All houses are buildings. All houses have windows.
d) All houses are buildings. Some houses do not have windows.

Answer
b) All houses are buildings. Some houses have windows.

Which of the following statements is logically consistent?
a) All chairs are furniture. No chairs have legs.
b) All chairs are furniture. Some chairs have legs.
c) All chairs are furniture. All chairs have legs.
d) All chairs are furniture. Some chairs do not have legs.

Answer
c) All chairs are furniture. All chairs have legs.

Which of the following statements is logically consistent?
a) All clouds are made of water vapor. No clouds are white.
b) All clouds are made of water vapor. Some clouds are white.
c) All clouds are made of water vapor. All clouds are white.
d) All clouds are made of water vapor. Some clouds are not white.

Answer
b) All clouds are made of water vapor. Some clouds are white.

Which of the following statements is logically consistent?
a) All books are made of paper. No books have pages.
b) All books are made of paper. Some books have pages.
c) All books are made of paper. All books have pages.
d) All books are made of paper. Some books do not have pages.

Answer
b) All books are made of paper. Some books have pages.

Which of the following statements is logically consistent?
a) All snakes are reptiles. No snakes are venomous.
b) All snakes are reptiles. Some snakes are venomous.
c) All snakes are reptiles. All snakes are venomous.
d) All snakes are reptiles. Some snakes are not venomous.

Answer
b) All snakes are reptiles. Some snakes are venomous.

Which of the following statements is logically consistent?
a) All clocks are timepieces. No clocks have hands.
b) All clocks are timepieces. Some clocks have hands.
c) All clocks are timepieces. All clocks have hands.
d) All clocks are timepieces. Some clocks do not have hands.

Answer
b) All clocks are timepieces. Some clocks have hands.

Which of the following statements is logically consistent?
a) All lakes are bodies of water. No lakes are deep.
b) All lakes are bodies of water. Some lakes are deep.
c) All lakes are bodies of water. All lakes are deep.
d) All lakes are bodies of water. Some lakes are not deep.

Answer
b) All lakes are bodies of water. Some lakes are deep.

Which of the following statements is logically consistent?
a) All shirts are clothing items. No shirts have sleeves.
b) All shirts are clothing items. Some shirts have sleeves.
c) All shirts are clothing items. All shirts have sleeves.
d) All shirts are clothing items. Some shirts do not have sleeves.

Answer
b) All shirts are clothing items. Some shirts have sleeves.

Which of the following statements is logically consistent?
a) All lakes are bodies of water. No lakes are freshwater.
b) All lakes are bodies of water. Some lakes are freshwater.
c) All lakes are bodies of water. All lakes are freshwater.
d) All lakes are bodies of water. Some lakes are not freshwater.

Answer
b) All lakes are bodies of water. Some lakes are freshwater.

Which of the following statements is logically consistent?
a) All trees are plants. No trees have leaves.
b) All trees are plants. Some trees have leaves.
c) All trees are plants. All trees have leaves.
d) All trees are plants. Some trees do not have leaves.

Answer
c) All trees are plants. All trees have leaves.

Which of the following statements is logically consistent?
a) All phones are electronic devices. No phones have screens.
b) All phones are electronic devices. Some phones have screens.
c) All phones are electronic devices. All phones have screens.
d) All phones are electronic devices. Some phones do not have screens.

Answer
b) All phones are electronic devices. Some phones have screens.

Which of the following statements is logically consistent?
a) All clouds are made of water vapor. No clouds are white.
b) All clouds are made of water vapor. Some clouds are white.
c) All clouds are made of water vapor. All clouds are white.
d) All clouds are made of water vapor. Some clouds are not white.

Answer
b) All clouds are made of water vapor. Some clouds are white.

Which of the following statements is logically consistent?
a) All chairs are furniture. No chairs have legs.
b) All chairs are furniture. Some chairs have legs.
c) All chairs are furniture. All chairs have legs.
d) All chairs are furniture. Some chairs do not have legs.

Answer
c) All chairs are furniture. All chairs have legs.

Which of the following statements is logically consistent?
a) All books are made of paper. No books have pages.
b) All books are made of paper. Some books have pages.
c) All books are made of paper. All books have pages.
d) All books are made of paper. Some books do not have pages.

Answer
b) All books are made of paper. Some books have pages.

Which of the following statements is logically consistent?
a) All snakes are reptiles. No snakes are venomous.
b) All snakes are reptiles. Some snakes are venomous.
c) All snakes are reptiles. All snakes are venomous.
d) All snakes are reptiles. Some snakes are not venomous.

Answer
b) All snakes are reptiles. Some snakes are venomous.

Which of the following statements is logically consistent?
a) All clocks are timepieces. No clocks have hands.
b) All clocks are timepieces. Some clocks have hands.
c) All clocks are timepieces. All clocks have hands.
d) All clocks are timepieces. Some clocks do not have hands.

Answer
b) All clocks are timepieces. Some clocks have hands.

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