Free Video Lectures & Study material

Watch Deepak Mittal Sir's free sample lectures, solved previous year question papers, and download official syllabus handbooks for Punjab Master Cadre, Lecturer Cadre & PSTET.

Free Demos

Showing 1–8 of 39 videosPage 1 of 5
Aptitude ShortcutPSTET

Angle Between Hour Hand & Minute Hand of a Clock (Super Shortcut)

Direct formula: |30H - 5.5M| to find the angle between clock hands in 5 seconds without drawing diagrams.

P&C ShortcutMaster Cadre Maths

Exponent of a number in n! | Practice MCQ | P & C | NGx Classes

Solve tricky factorial divisibility questions within 30 seconds using Deepak Sir's direct Legendre formula.

Modulus SeriesMaster Cadre Maths

Modulus Function | Lecture 1 | Graph and Important Results

V-shape graphs, critical points, piece-wise definitions, and high-yield algebraic properties of |x|.

Modulus SeriesMaster Cadre Maths

Modulus Function | Lecture 2 | Continuity of Modulus Function

Checking continuity at sharp corner points and composite modulus functions f(|x|) and |f(x)|.

Modulus SeriesMaster Cadre Maths

Modulus Function | Lecture 3 | Derivative of Modulus Function

Corner point non-differentiability, left/right derivatives, and Master Cadre multiple-choice shortcuts.

Modulus SeriesMaster Cadre Maths

Modulus Function | Lecture 4 | Integration of Modulus Function

Geometric area method and interval splitting for fast evaluation of definite integrals with modulus terms.

GIF SeriesMaster Cadre Maths

Greatest Integer Function | Lecture 1 | Graph & Important Results

Complete conceptual foundation: step graphs, domain, range, and fundamental identity properties of [x].

GIF SeriesMaster Cadre Maths

Greatest Integer Function | Lecture 2 | Limit of GIF

How to evaluate Left Hand and Right Hand limits containing [x] without making common sign mistakes.

Free Study Material

Download official syllabus for government teaching services, previous year solved papers (4161, 3704 and many more), shortcut tricks handbooks, and free chapter notes from our flagship Live Master Cadre & Lecturer Cadre batches.

Answer KeyLecturer Cadre

Punjab Lecturer Cadre Mathematics Answer Key 2026 (Set D)

Unofficial answer key for Set D of the Punjab Lecturer Cadre Mathematics exam held on 27 September 2026. All 150 answers, with notes on the five questions that have printing errors or disputed options. Prepared by NGx Classes, Bathinda.

2 Pages 523 KB
Answer KeyLecturer Cadre

Punjab Lecturer Cadre Mathematics Answer Key 2026 (Set B)

Unofficial answer key for Set B of the Punjab Lecturer Cadre Mathematics exam held on 27 September 2026. All 150 answers, with notes on the five questions that have printing errors or disputed options. Prepared by NGx Classes, Bathinda.

2 Pages 523 KB
Official Question PaperLecturer Cadre

Lecturer Cadre Mathematics September 2026 (Set D)

Official question paper of the Punjab Lecturer Cadre Mathematics exam held on 27 September 2026, booklet Set D. All 150 questions in English and Punjabi.

30 Pages 1.9 MB
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