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Latest

Chapter NotesDifference Between Distance and Displacement (With Table and Examples)

Distance vs displacement — path length against the straight line from start to finish, with the 3-4-5 walk, the half-circle and the round trip worked out.

7 October 2026 · 3 min read
Chapter NotesDifference Between Mass and Weight (With Table and Examples)

Mass vs weight — amount of matter against the pull of gravity on it, kilograms against newtons, and why 60 kg weighs 588 N on Earth but about 98 N on the Moon.

7 October 2026 · 3 min read
Study TipsActive Recall: The Study Method That Actually Works

Why re-reading feels productive and is not, what active recall is, exactly how to do it for maths, science and theory subjects, and how to tell within a week that it is working.

17 September 2026 · 3 min read
Formula SheetsArithmetic Progressions Formula Sheet (Class 10): Every Formula With When to Use It

The AP formulas for Class 10 — nth term, sum of n terms, nth term from the end, three-term tricks — each with when to use it, a worked line, and the mistakes that cost marks.

17 September 2026 · 3 min read
Board ExamsCBSE Class 10 Boards 2027: Most Important Topics by Marks

The chapters that carry the marks in CBSE Class 10 Maths and Science — with the unit-wise weightage, the question types each chapter turns into, and a revision order for the last two months.

17 September 2026 · 3 min read
Chapter NotesChemical Bonding: Explained With Examples (Class 11)

Ionic, covalent and coordinate bonds, Lewis structures, VSEPR shapes, hybridisation and molecular orbital theory for Class 11 — each with the examples examiners use and the rules for predicting shape.

17 September 2026 · 4 min read
Chapter NotesDifference Between Debit and Credit (With Table and Examples)

Debit vs credit explained without the confusion — what each does to assets, liabilities, capital, income and expenses, with a table, a memory rule and worked entries.

17 September 2026 · 2 min read
Chapter NotesDifference Between List and Tuple in Python (With Table and Examples)

List vs tuple in Python compared — mutability, syntax, speed, memory, methods, when to use which — with runnable examples and the Class 12 exam questions on it.

17 September 2026 · 3 min read
Chapter NotesDifference Between Mitosis and Meiosis (With Table and Examples)

Mitosis vs meiosis compared in a table — number of divisions, daughter cells, chromosome number, crossing over, where each happens — and the questions examiners set on it.

17 September 2026 · 2 min read
Chapter NotesDifference Between Speed and Velocity (With Table and Examples)

Speed vs velocity — scalar vs vector, distance vs displacement, when they are equal, and the round-trip and circular-motion examples that show why average velocity can be zero while average speed is not.

17 September 2026 · 3 min read
Chapter NotesDifference Between Stack and Queue (With Table and Examples)

Stack vs queue — LIFO vs FIFO, the operations, where each is used, a Python implementation of both, and the Class 12 and GATE questions that test them.

17 September 2026 · 2 min read
MathematicsDomain and Range of Functions — Explained With Examples

How to find the domain and range of any function, with the four cases that cover Class 11 and JEE questions and the mistakes that lose marks.

17 September 2026 · 3 min read

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