Sajan Sir - Invidious

Sajan Sir

Welcome to Channel Sajan Sir, the ultimate destination for math lovers. If you are looking for easy and effective ways to learn math, you have come to the right place. Whether you are preparing for HSC, SSC, BCS, or any other competitive exam, you will find helpful tips and tricks to ace the math section.

Sajan Sir (Sajan Chakraborty/Sajan bhai, Sajan Dada) is a math instructor who has a master's degree in chemical engineering and polymer science from SUST. He is also a subject matter expert and academic coordinator at 10 Minute School, a leading online education platform in Bangladesh. He is widely admired and respected by his students and followers for his innovative teaching methods, friendly personality, and inspiring attitude. He has helped thousands of students improve their math skills and achieve their academic goals.
Subscribe to Channel Sajan Sir and join the math community. You will never be afraid of math again.

View channel on YouTube

Switch Invidious Instance

Videos

newest

oldest

popular

5:29

2026 08 08 22 51 04

Sajan Sir

Shared 1 week ago

219 views

1:41:05

Class 8 Math | Sets | Complete Set Theory Class | Venn Diagram, Union, Intersection | Sajan Sir

Sajan Sir

Shared 2 weeks ago

163 views

8:17

Detailed Guide: The 5 Chapters You Must Study to Never Fail Again

Sajan Sir

Shared 2 weeks ago

2.2K views

21:16

How to Study Math | The Right Strategy for Acing Board Exams

Sajan Sir

Shared 2 weeks ago

1.3K views

46:37

Class 8 Math Chapter 6.1 | Simple Simultaneous Equations | Exercise 6.1 Full Class | Sajan Sir

Sajan Sir

Shared 3 weeks ago

137 views

1:49:57

Class 8 Math 6.2 Part 1 | Simple Simultaneous Equations and Graphs | Exercise 6.2 Full Class | Sa...

Sajan Sir

Shared 3 weeks ago

295 views

1:05:09

Trigonometry Won’t Be Hard Anymore! 🔥All Concepts Cleared in 1 Video | General Math | SSC 27 - 28...

Sajan Sir

Shared 4 weeks ago

1.1K views

2:28:05

SSC সূচকীয় ও লগারিদমীয় ফাংশন | অধ্যায় ৯.১ | উচ্চতর গনিত । SSC | Sajan Sir

Sajan Sir

Shared 1 month ago

592 views

1:32:09

Logarithm A to Z | Chapter 4 | SSC General Math | Sajan Sir

Sajan Sir

Shared 1 month ago

955 views

39:14

SSC Math | Exponents - Part 2 | Proving Exponential Identities and Complex Problems | Sajan Sir

Sajan Sir

Shared 1 month ago

480 views

45:15

SSC Math | Exponents: Exponential Equations and Creative Problem Solving | One Shot | Sajan Sir

Sajan Sir

Shared 1 month ago

710 views

41:03

Class 8 - Math | Chapter 3 - Part 2 | Measurement Part 2 | One Shots | Sajan Sir

Sajan Sir

Shared 1 month ago

180 views

37:12

Class 8 Measurement Part 1 | JSC26 Mathematics Chapter 3 | One Shot | Sajan Sir

Sajan Sir

Shared 1 month ago

248 views

58:18

SSC Math Chapter 7 One Shot Class | সম্পাদ্য ৭.২ (বেসিক থেকে সৃজনশীল) | General Math | Sajan Sir

Sajan Sir

Shared 1 month ago

780 views

21:16

গণিত যেভাবে পড়া উচিত | বোর্ড পরীক্ষার জন্য সঠিক কৌশল

Sajan Sir

Shared 1 month ago

4.2K views

1:22:52

Class 8 গণিত প্যাটার্ন 💥 এক ক্লাসেই শেষ | ৩৯টি প্রশ্ন Type-wise | Sajan Sir

Sajan Sir

Shared 1 month ago

376 views

59:47

বীজগাণিতিক রাশি One Shot 🔥 | SSC General Math Ch.3.1 | ৮টি Type সব | Sajan Sir

Sajan Sir

Shared 1 month ago

673 views

15:35

পিথাগোরাস উপপাদ্য এত সহজ?! 😱 বীজগাণিতিক ব্যাখ্যা | JSC · SSC Math | Sajan Sir

Sajan Sir

Shared 1 month ago

627 views

11:19

SSC 2027 Pre-Test পরীক্ষায় Higher Math ১০০% কমন সাজেশন! 🔥 | Pre-Test 100% common Suggestion

Sajan Sir

Shared 1 month ago

2.5K views

49:25

HSC 28 | বেসিক বিল্ডার ক্লাস (Part 2) | ত্রিকোণমিতি (উন্নতি-অবনতি কোণ ও চতুর্ভাগ) | Math | Sajan Sir

Sajan Sir

0 views

14:59

Must Watch Video Before SSC 2027 Pre-Test 🔥 | Math Suggestion + Study Plan | Sajan Sir X RM

Sajan Sir

Shared 2 months ago

8.7K views

4:59

SSC 2027 & 28 Basic to Pro 3.O Update 🔥 | Sajan Sir × Redwan's Method

Sajan Sir

Shared 2 months ago

513 views

0:56

HSC Math কি আসলেই কঠিন? | HSC 28 Online Math Batch Announcement | Sajan Sir

Sajan Sir

0 views

4:05:09

বিন্যাস ও সমাবেশ | One Shot Basic + CQ | HSC Math 1st Paper Chapter 5 | Sajan Sir

Sajan Sir

0 views

13:31

SSC 26, get mad if you want, but you'll be in trouble for HSC if you don't watch this! Sa

Sajan Sir

Shared 3 months ago

1.7K views

2:14

Calculator Hacks Option Test With Two Variable

Sajan Sir

Shared 3 months ago

402 views

34:27

SSC26 বীজগাণিতিক রাশি: Top Short Questions (SQ) সলভ || SSC || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

1.2K views

8:48

Higher Math: Trigonometry Top Short Questions (SQ) || SSC || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

3.3K views

13:17

সূচক ও লগারিদম (Chapter 9) এর সেরা SQ সলভ || SSC || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

1.8K views

1:31:50

Exponential and Logarithmic Functions (Graph, Domain, Range and Inverse Functions) in 1 Class | S...

Sajan Sir

Shared 3 months ago

3.6K views

10:09

SSC Higher Math | Pascal's Triangle and Binomial Expansion SQ || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

5.2K views

15:50

Coordinate Geometry Best SQ Solve || SSC || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

5K views

14:19

ভেক্টর (Vector) Chapter 12 এর সেরা SQ সলভ || SSC || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

3.3K views

13:23

উচ্চতর গণিতের Top SQ সলভ (সম্ভাবনা - Chapter 14) || SSC || Higher Math SQ Solve || Sajan Sir

Sajan Sir

Shared 3 months ago

8.3K views

1:16:26

Vector One Shot 🎯 | SSC Higher Math Ch. 12 | Basic to Pro | Sajan Sir

Sajan Sir

Shared 3 months ago

18K views

16:10

HSC 26 Sure A+ | Smart Study Tips | Sajan Sir

Sajan Sir

Shared 3 months ago

705 views

8:00

SSC26 লম্বা ক্লাস! 😢 আমরা কি মেইন সমস্যা মিস করে যাচ্ছি?

Sajan Sir

Shared 3 months ago

14K views

3:28

ধর্ম পরীক্ষায় আমি যেভাবে প্রস্তুতি নিতাম 🤩

Sajan Sir

Shared 3 months ago

5.5K views

40:01

SSC26 Math Exam Hall Mindset | Live exam With Sajan Sir

Sajan Sir

Shared 3 months ago

8.7K views

2:22:48

১ ক্লাসেই পরিসংখ্যানের ১০০% প্রস্তুতি | Basic+CQ+MCQ+SQ

Sajan Sir

Shared 3 months ago

4.5K views

16:23

SSC26 Math Preparation Master Strategy! Sajan Sir X Redwan’s Method

Sajan Sir

Shared 3 months ago

7.8K views

7:02

Ninja Technique to Finish Long Classes Quickly ⚡ | Study Hack | Sajan Sir × Redwan's Method

Sajan Sir

Shared 3 months ago

26K views

6:47

Premium Gift Box Unboxing | Sajan X Redwan

Sajan Sir

Shared 3 months ago

45K views

13:34

ICU? HSC26 Routine Explainer

Sajan Sir

Shared 4 months ago

293 views

10:35

SSC Higher Math MCQ: সমতলীয় ভেক্টর (Planar Vector) | Best Hacks & Tricks | Sajan Sir |

Sajan Sir

Shared 4 months ago

909 views

36:08

বীজগাণিতিক রাশি MCQ Hack! | আংশিক ভগ্নাংশ ও বহুপদীর সুপার শর্টকাট 🤯 | SSC Higher Math | Sajan Sir |

Sajan Sir

Shared 4 months ago

490 views

13:47

SSC Higher Math MCQ: ত্রিকোণমিতি (Trigonometry) | Quadrant & Calculator Tricks | Sajan Sir |

Sajan Sir

Shared 4 months ago

474 views

15:30

SSC Higher Math MCQ: সম্ভাবনা (Probability) | Best Shortcut Tricks & Hacks | Sajan Sir

Sajan Sir

Shared 4 months ago

521 views

26:40

অসীম ধারা MCQ ম্যাজিক ট্রিকস | SSC Higher Math Chapter 7 | Best Shortcut Tricks | Sajan Sir |

Sajan Sir

Shared 4 months ago

484 views

27:44

SSC Higher Math MCQ: দ্বিপদী বিস্তৃতি (Binomial Theorem) | x বর্জিত পদ ও মধ্যপদ নির্ণয় | Sajan Sir |

Sajan Sir

Shared 4 months ago

944 views

32:47

স্থানাঙ্ক জ্যামিতি MCQ ম্যাজিক ট্রিকস (শূন্যকরণ মেথড) | SSC Higher Math | Sajan Sir |

Sajan Sir

Shared 4 months ago

1.9K views

57:49

সূচক ও লগারিদম MCQ শর্টকাট টেকনিক (OT Method) | SSC Higher Math | Sajan Sir |

Sajan Sir

Shared 4 months ago

1.5K views

38:51

পরিসংখ্যানের ২০ মার্কস এখন হাতের মুঠোয়! 😲 | SSC Math Chapter 17 | SSC Math CQ Solve | Sajan Sir |

Sajan Sir

Shared 4 months ago

1.7K views

51:02

SSC General Mathematics | Measurement (Chapter 16) 100% Common Creative! | SSC Math CQ Solve | Sa...

Sajan Sir

Shared 4 months ago

5.4K views

37:50

SSC Math Chapter 11 | বীজগাণিতিক অনুপাত ও সমানুপাত | বিগত বছরের বোর্ড প্রশ্ন সমাধান | Sajan Sir |

Sajan Sir

Shared 4 months ago

1.4K views

57:19

Trigonometry | SSC Math CQ Solve: Simple Techniques for the Most Difficult Creative Questions | S...

Sajan Sir

Shared 4 months ago

3.9K views

1:02:31

SSC Math Chapter 7 | ব্যবহারিক জ্যামিতি (সম্পাদ্য) | বিগত বছরের বোর্ড প্রশ্ন সমাধান | Sajan Sir |

Sajan Sir

Shared 4 months ago

2.3K views

1:08:05

এসএসসি সাধারণ গণিত | বৃত্ত (Circle) ১০০% কমন সৃজনশীল সমাধান! | Sajan Sir |

Sajan Sir

Shared 4 months ago

1.7K views

1:46:31

বীজগাণিতিক রাশি এর সেরা বোর্ড প্রশ্ন সমাধান | SSC Math Chapter 3 CQ Solve | Sajan Sir

Sajan Sir

Shared 4 months ago

2.1K views

23:08

Geometry - Chapter 3 (Lecture 1) - Higher Mathematics || Perpendicular Projection and Theorem 3, ...

Sajan Sir

Shared 4 months ago

602 views