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Area 4 of 6 · 5 scored questions

Logic

A short problem in plain language: who arrived first, what follows if a condition is true, which box has the wrong label. The answer comes only from the information given.

  • 5 of the 37 scored questions
  • plain language
  • no prior knowledge

What it measures

What logic asks of you

It measures whether your reasoning follows the rules, without depending on what you already know about the world.

  • 1

    Use only what was stated

    The right conclusion follows from the premises. What seems likely in real life doesn’t count.

  • 2

    Organize the information

    Put people in a line, days on a calendar or objects in boxes, and see what’s left.

  • 3

    Distrust the shortcut

    Some options sound reasonable but don’t follow from the premises. That’s where the test tells people apart.

During the test

What helps with logic

  • Reread each premise and note in your head what it rules out, not just what it states.
  • In ordering problems, build the line gradually, one piece of information at a time.
  • Made-up words appear on purpose: they keep you from answering by common sense.

What the research says

Where this area comes from

Deductive reasoning

Ordering, condition and exclusion problems are classic ways of measuring deduction. In the test, they come in short sentences with no difficult vocabulary.

A single solution

Every problem in the bank is checked to have just one solution. For the training ones, this is verified by brute force: the code tests every combination.

We don’t give an IQ per area: with only a few questions in each, the error would be too large. The report shows how many you got right and whether the area came out above, in line with, or below your overall result.

Questions

Questions about this area

Are there trick questions in logic?

Not in the riddle sense. We don’t use viral riddles, because anyone who already knows them gets them right without reasoning. The difficulty comes from putting the information together.

Do I need to know formal logic?

No. No question asks for symbols or textbook rules. Just read carefully and follow what was stated.

Ready to see how you reason?

Start now. At the end, your estimated IQ with the 95% range stays in your member area.

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Taking the test is free · IQNorth is an educational reasoning test: the result is an estimate, with a margin of error, for personal and educational use.