ISAT Logical Deduction from Passages 2

Question 1

Passage: 'All registered voters in the county must present a valid ID at the polling station. Marcus is a registered voter in the county.' What can be logically deduced?

A) Marcus will vote in the next election.
B) Marcus must present a valid ID at the polling station.
C) Marcus has a valid ID.
D) Only registered voters live in the county.

Accepted Answer

Marcus must present a valid ID at the polling station.

Answer

The passage states all registered voters in the county must present ID, and Marcus is one, so he must present ID.

Question 2

Passage: 'The museum is open every day except Monday. Today is not a weekday.' What can be deduced?

A) The museum is open today.
B) The museum is closed today.
C) Today is Sunday.
D) Nothing can be determined about whether the museum is open.

Accepted Answer

The museum is open today.

Answer

Non-weekdays are Saturday and Sunday, neither of which is Monday, so the museum must be open.

Question 3

Passage: 'Students who score above 80 on the midterm are exempt from the final. Students who are exempt from the final receive an automatic B for the course. Priya scored 85 on the midterm.' What grade does Priya receive?

A) A
B) B
C) C
D) Cannot be determined

Accepted Answer

B

Answer

Priya scored 85 > 80, so she is exempt; exempted students automatically receive a B.

Question 4

Passage: 'No carnivores in the sanctuary eat plants. The snow leopard is a carnivore in the sanctuary.' Which conclusion is valid?

A) The snow leopard eats only meat.
B) The snow leopard does not eat plants.
C) All animals in the sanctuary are carnivores.
D) The snow leopard is the only carnivore in the sanctuary.

Accepted Answer

The snow leopard does not eat plants.

Answer

Since no carnivores eat plants and the snow leopard is a carnivore, it does not eat plants.

Question 5

Passage: 'If the temperature drops below freezing, the pipes will burst. If the pipes burst, the building will be evacuated. Last night the temperature dropped to 28°F.' What follows?

A) The building may or may not be evacuated.
B) The pipes did not burst.
C) The building will be evacuated.
D) The temperature will rise today.

Accepted Answer

The building will be evacuated.

Answer

28°F is below freezing, so pipes burst; burst pipes lead to evacuation — both conditionals trigger in sequence.

ISAT - International Student Admissions Test Practice Test

ISAT - International Student Admissions Test Practice Test

ISAT Logical Deduction from Passages 2