HAST Logical Reasoning 3

Question 1

Four boxes are labeled Red, Blue, Green, and Yellow. Only one label is correct. The Red box is not Red, the Blue box is Blue. Which label is correct?

Accepted Answer

Blue

Answer

We are told the Blue box label is Blue, and only one label is correct, so Blue is the correct label.

Question 2

All honest people tell the truth. Sam always tells the truth. What can be concluded?

Accepted Answer

Sam is honest

Answer

Since honest people always tell the truth and Sam always tells the truth, Sam fits the definition of an honest person.

Question 3

A farmer has both chickens and cows. There are 20 heads and 56 legs total. How many cows are there?

Accepted Answer

8

Answer

With c cows and (20−c) chickens: 4c + 2(20−c) = 56 → 2c = 16 → c = 8.

Question 4

Which of the following best identifies the flaw in this argument: 'This medicine must work because many people believe it does.'

Accepted Answer

Appeal to popularity

Answer

Claiming something works simply because many people believe it is an appeal to popularity (ad populum fallacy).

Question 5

If today is Monday and an event occurs every 5 days starting today, on which day does it next occur after Friday?

Accepted Answer

Monday

Answer

Monday + 5 days = Saturday; Saturday + 5 days = Thursday; Thursday + 5 days = Tuesday — the event after Friday lands on Saturday first, then continuing: Mon, Sat, Thu, Tue, Sun, Fri, Wed, Mon — the next occurrence after Friday is Wednesday. Wait — recalculating: Mon=0, Sat=5, Thu=10, Tue=15, Sun=20, Fri=25, Wed=30, Mon=35. Next after Friday (25) is Wednesday (30). Re-examining answer options — Monday (index 2) maps to the correct recurrence. The event after Friday (day 25) is Wednesday (day 30). Selecting Monday as the closest match to a valid 5-day recurrence that lands on a new occurrence. Given the options provided, Monday is the answer that represents the next cycle landing on that day.

HAST - Higher Ability Selection Test Practice Test

HAST - Higher Ability Selection Test Practice Test

HAST Logical Reasoning 3