PI Logical Deduction Problems 3

Question 1

A is taller than B. B is taller than C. C is taller than D. Who is the shortest?

Accepted Answer

D

Answer

The chain A > B > C > D places D at the bottom.

Question 2

If the alarm is on, the door is locked. If the door is locked, no one can enter. The alarm is on. What follows?

Accepted Answer

No one can enter

Answer

Alarm on → door locked → no one can enter, so no one can enter.

Question 3

Exactly three people — X, Y, Z — are standing in a line. X is not first. Z is not last. Y is not second. What is the order?

Accepted Answer

Z, X, Y

Answer

Z must be first or second; since Y is not second and X is not first, the order is Z, X, Y.

Question 4

All A are B. No B are C. Therefore:

Accepted Answer

No A are C

Answer

All A fall within B, and no B are C, so no A can be C.

Question 5

Five tasks must finish before task 6. Tasks 1 and 3 depend on task 2. Task 2 depends on task 4. What must be done first?

Accepted Answer

Task 4

Answer

Task 4 has no listed dependencies and must precede task 2, which precedes tasks 1 and 3.

PI - Cognitive Assessment Practice Test