🧠 Thinking Lab
Sharpen IQ, number sense, logic and everyday common sense, from Class 1 to Class 12. Fresh questions every time, two hints, a worked solution, and levels that adjust to you.
📘 Class 12 thinking course
Advanced algebra/functions; calculus fundamentals; probability/statistics; vectors/3D geometry; mathematical reasoning.
3D vector/plane explorer; derivative-as-slope animation; probability simulator.
Complex constraint solving; algorithmic thinking; evaluate evidence and uncertainty.
🪜 How it works
Answer without help first.
Stuck? Open hint 1, then hint 2.
Every answer shows a worked solution.
Three right in a row moves you up a level; two wrong moves you down.
Pass the 10-question mastery test at Challenge level on two different days.