Octagon Labs
Tools for India

Small online tools that do one job well.

Tests, calculators and trackers that work on any phone, in English, हिंदी or Hinglish. Start with the reasoning test below.

Tools

Reasoning Test

Free
Puzzles, number series, logic and word questions. Pick 20, 30 or 40 questions and see how you compare by age group and state.

More tools

Coming soon
New tools are added one at a time, each on its own page like the test above.