Khan Foundation Free Tutorials
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6 Quizzes 6 Free 0 Premium public
Quizzes
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Geometry — Triangles & Pythagoras
Free practice on right triangles and Pythagorean theorem.
beginnerncertgeometry
EN
MediumFree
Data Structures — Arrays & Linked Lists
Practice on basic data structures.
intermediatedata-structures
EN
EasyFree
தமிழ் இலக்கணம் — அடிப்படை
Basic Tamil grammar practice in Tamil language.
beginner
TA
EasyFree
Biology Basics — Cells, DNA, and the Human Body
Fundamentals of cell biology, genetics, and human anatomy.
beginnerneet
EN
EasyFree
World History Essentials
Key dates, figures and events that shaped the modern world.
beginner
EN
EasyFree
English Grammar Foundations
Verb tenses, parts of speech, and everyday usage.
beginnergrammar
EN