HAST Logical Reasoning

Question 1

All mammals are warm-blooded. All dogs are mammals. What conclusion must be true?

Accepted Answer

All dogs are warm-blooded

Answer

Some dogs are warm-blooded

Answer

All warm-blooded animals are dogs

Answer

No dogs are warm-blooded

Question 2

If it rains, the ground gets wet. The ground is not wet. What can you conclude?

Accepted Answer

It did not rain

Answer

It is raining

Answer

It might have rained

Answer

The ground is dry because of wind

Question 3

No reptiles are warm-blooded. A lizard is a reptile. Which statement is valid?

Accepted Answer

A lizard is not warm-blooded

Answer

A lizard is warm-blooded

Answer

Some lizards are warm-blooded

Answer

Warm-blooded animals include lizards

Question 4

Only students who study pass the exam. Maria passed the exam. What must be true?

Accepted Answer

Maria studied

Answer

Maria did not study

Answer

Maria was lucky

Answer

The exam was easy

Question 5

In a sequence: every even number is followed by its half. Starting at 64, what is the fourth number?

Accepted Answer

8

Answer

4

Answer

16

Answer

32

Question 6

Some athletes are students. All students study hard. Which conclusion is definitely valid?

Accepted Answer

Some athletes study hard

Answer

All athletes study hard

Answer

No athletes study hard

Answer

All students are athletes

Question 7

If a shape has four equal sides and four right angles, it is a square. Shape X has four equal sides but no right angles. What is Shape X?

Accepted Answer

A rhombus

Answer

A square

Answer

A rectangle

Answer

A trapezoid