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Logical
Medium
LST
Logical Reasoning
Follow the rule to its conclusion
scales lst — abstract logical thinking. You're given premises and asked what necessarily follows. No general knowledge is involved and no arithmetic; it is purely about holding a rule and applying it without slipping.
Duration
~6 min
Length
Speeded set
Difficulty
Medium
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What to expect
- Abstract premises with a conclusion to judge.
- Items that hinge on one word.
- A short, sharp time limit.
What it measures
- Logical thinking
- Rule application
- Precision under speed
Instructions
- 1Take the premises as true even when they're implausible.
- 2Ask what MUST follow, not what probably follows.
- 3Read the whole conclusion — the trap is usually at the end.
Tips
- Sketch the relationship rather than holding it in your head.
- Beware reversing a conditional; 'if A then B' does not give you 'if B then A'.
Format: Logical reasoning · speeded · 6 min