Basic Ability Test Basic Ability (Cognitive) 5

Question 1

All mammals are warm-blooded. Dolphins are mammals. Which conclusion must be true?

Accepted Answer

Dolphins are warm-blooded

Answer

By syllogistic reasoning, if all mammals are warm-blooded and dolphins are mammals, then dolphins must be warm-blooded.

Question 2

A square has a diagonal of 10 cm. What is the area of the square?

Accepted Answer

50 cm²

Answer

For a square with diagonal d, area = d² ÷ 2 = 100 ÷ 2 = 50 cm².

Question 3

Which word is most similar in meaning to AMBIGUOUS?

Accepted Answer

Uncertain

Answer

Ambiguous means open to more than one interpretation, making 'uncertain' the closest synonym.

Question 4

Look at the number pattern: 100, 91, 83, 76, 70, ___. What comes next?

Accepted Answer

65

Answer

The differences are −9, −8, −7, −6, −5; so 70 − 5 = 65.

Question 5

A bag contains 5 red balls, 3 blue balls, and 2 green balls. What is the probability of randomly picking a blue ball?

Accepted Answer

3/10

Answer

There are 3 blue balls out of 10 total, so the probability is 3/10.

Basic Ability Test Practice Test