Tests / Quantitative reasoning
Number Sense
Work out how a number chain grows.
8 chains · 35 seconds each · no calculator
Audio mode available Questions can be read aloud for blind and low-vision players.
Log in to startWhat this measures
How well you spot mathematical relationships. Each chain follows a rule: adding, multiplying, alternating between two patterns, or building on the numbers before it.
Why it matters
Quantitative reasoning predicts success in math-heavy subjects, finance and engineering. Number series are a common part of aptitude tests.
How it's scored
One point per correct answer.
Tips
- Write the gaps between numbers in your head. If the gaps change, look at the gaps of the gaps.
- Fast growth usually means multiplying.
- If the chain zig-zags, it might be two chains woven together.
War of Minds · Season 2026 · United States
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