Invidious
Sajan Sir
Subscribe | 34K
 RSS

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
Shorts
Livestreams
Courses
Playlists
Posts
newest
oldest
popular
Next page  

2:57

8th Class Scholarship Exam 2025: All the Calculators that are Allowed | Best Calculator List

Sajan Sir

Shared 17 hours ago

114 views

5:01

SSC 2026 Batch | Comeback will be đŸ”Ĩ | Offline Batch + Online Test Paper Solve | A+ Sure

Sajan Sir

Shared 1 week ago

1.3K views

1:00

Genius or Guess? đŸ¤¯ 1 Minute Math Question!

Sajan Sir

Shared 1 week ago

170 views

0:32

The link to the Dagano book series is in the comment box 👇đŸĢ 

Sajan Sir

Shared 1 week ago

208 views

0:14

Little by little

Sajan Sir

Shared 3 weeks ago

657 views

0:09

Don't delay, enroll now.

Sajan Sir

Shared 1 month ago

374 views

1:55

Probability Tree of 2 sixes You are making a mistake here. Sajan Sir

Sajan Sir

Shared 1 month ago

500 views

0:29

When you make me Emperor Shahjahan 😜 and mathematics is my Mumtaz - Student Made 3

Sajan Sir

Shared 1 month ago

354 views

58:15

SSC26 Higher Math Chapter 12 | Plane Vectors One Shot | Important Line & Question Analysis

Sajan Sir

Shared 1 month ago

1.2K views

0:09

SSC Test Paper Solve & CQ solve course All information in the comment box 👇

Sajan Sir

Shared 1 month ago

263 views

0:14

Class Moments 3āĨ¤ Students Made

Sajan Sir

Shared 1 month ago

431 views

55:02

SSC26 General Math Chapter 3 | Algebraic Equations One Shot | Important Line & Question Analysis

Sajan Sir

Shared 1 month ago

3.3K views

16:51

SSC26 Higher Math Chapter 7 | Infinite Series One Shot | Important Line & Question Analysis

Sajan Sir

Shared 1 month ago

1.5K views

3:26

SSC 26, the story behind 8 hours of creative shots!❤ī¸

Sajan Sir

Shared 1 month ago

4.7K views

37:57

SSC26 General Math Chapter 2 | Sets and Functions One Shot | Important Line & Question Analysis

Sajan Sir

Shared 1 month ago

4K views

0:29

Class Moments 2āĨ¤ Students Made

Sajan Sir

Shared 1 month ago

525 views

22:31

SSC26 Higher Math Chapter 14 | āĻ¸āĻŽā§āĻ­āĻžāĻŦāĻ¨āĻž One Shot | Important Line & Question Analysis

Sajan Sir

Shared 2 months ago

1.3K views

0:48

100% preparation guaranteed in Mathematics! đŸ’¯ SSC 26 "Test Paper Solve & CQ Solve" Course

Sajan Sir

Shared 2 months ago

516 views

3:36

SSC General Math | Chapter 3.3 | Question Number 20 Solved | ā§¨ā§Ļ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§¯

Sajan Sir

Shared 5 months ago

709 views

7:00

SSC General Math | Chapter 3.3 | Question Number 19 Solved | ā§§ā§¯ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§¯

Sajan Sir

Shared 5 months ago

120 views

4:21

SSC General Math | Chapter 3.3 | Question Number 18 | ā§§ā§Ž āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§¯

Sajan Sir

Shared 5 months ago

91 views

4:06

SSC General Math | Chapter 3.3 | Question Number 17 Solved | ā§§ā§­ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§¯

Sajan Sir

Shared 5 months ago

112 views

3:03

āĻ•ā§‡āĻ¨ āĻ›āĻžāĻĄāĻŧāĻ›āĻŋ ā§§ā§Ļ āĻŽāĻŋāĻ¨āĻŋāĻŸ āĻ¸ā§āĻ•ā§āĻ˛ !

Sajan Sir

Shared 5 months ago

4.2K views

1:54

SSC General Math | Chapter 3.3 | Question Number 16 Solved | ā§§ā§Ŧ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§¯

Sajan Sir

Shared 5 months ago

97 views

6:36

SSC General Math | Chapter 3.3 | Question Number 15 Solved | ā§§ā§Ģ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§¯

Sajan Sir

Shared 5 months ago

48 views

5:49

SSC General Math | Chapter 3.3 | Question Number 14 Solved | ā§§ā§Ē āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

37 views

4:02

SSC General Math | Chapter 3.3 | Question Number 13 Solved | ā§§ā§Š āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

24 views

4:19

SSC General Math | Chapter 3.3 | Question Number 12 Solved | ā§§ā§¨ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

41 views

7:03

SSC General Math | Chapter 3.3 | Question Number 11 Solved | ā§§ā§§ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

37 views

7:18

SSC General Math | Chapter 3.3 | Question Number 10 Solved | ā§§ā§Ļ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

36 views

4:52

SSC General Math | Chapter 3.3 | Question Number 9 Solved | ā§¯ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

24 views

3:19

SSC General Math | Chapter 3.3 | Question Number 8 Solved | ā§Ž āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

31 views

3:43

SSC General Math | Chapter 3.3 | Question Number 7 Solved | ā§­ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

37 views

3:03

SSC General Math | Chapter 3.3 | Question Number 6 Solved | ā§Ŧ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

36 views

2:36

SSC General Math | Chapter 3.3 | Question Number 5 Solved | ā§Ģ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 5 months ago

32 views

3:50

SSC General Math | Chapter 3.3 | Question Number 4 Solved | ā§Ē āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 6 months ago

49 views

3:12

SSC General Math | Chapter 3.3 | Question Number 3 Solved | ā§Š āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 6 months ago

49 views

6:14

SSC General Math | Chapter 3.3 | Question Number 2 Solved | ā§¨āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 6 months ago

46 views

1:31

SSC General Math | Chapter 3.3 | Question Number 1 Solved | ā§§ āĻ¨āĻ‚ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ | āĻĒā§ƒāĻˇā§āĻ āĻž ā§Ģā§Ž

Sajan Sir

Shared 6 months ago

112 views

31:30

SSC Higher Math Chapter 8.3 l Trigonometry l āĻĒā§āĻ°āĻļā§āĻ¨ ā§§ā§Š

Sajan Sir

Shared 6 months ago

407 views

38:41

SSC Higher Math Chapter 8.3 l Trigonometry l āĻĒā§āĻ°āĻļā§āĻ¨ ā§§ā§§, āĻĒā§āĻ°āĻļā§āĻ¨ ā§§ā§¨

Sajan Sir

Shared 6 months ago

162 views

47:30

SSC Higher Math Chapter 8.3 l Trigonometry l āĻĒā§āĻ°āĻļā§āĻ¨ ā§Ž-ā§¯

Sajan Sir

Shared 6 months ago

316 views

4:40

Will ES or CW work? HSC 2025 Board Approved Calculator List | Which calculators are board approved?

Sajan Sir

Shared 6 months ago

2K views

48:48

SSC Higher Math Chapter 8.3 l Trigonometry l āĻĒā§āĻ°āĻļā§āĻ¨ ā§§-ā§­, āĻĒā§āĻ°āĻļā§āĻ¨ ā§§ā§Ļ

Sajan Sir

Shared 6 months ago

553 views

2:02

āĻ‰āĻ¤ā§āĻ¤ā§‡āĻœāĻŋāĻ¤ ā§¨ā§­ āĻ•āĻŦā§‡ āĻāĻ¸āĻāĻ¸āĻ¸āĻŋ āĻ°ā§‡āĻœāĻžāĻ˛ā§āĻŸ ā§¨ā§Ļā§¨ā§Ģ āĻĻāĻŋāĻŦā§‡ ? SSC Result 2025 kobe dibe ? ssc result 2025 |

Sajan Sir

Shared 6 months ago

244 views

51:21

HSC āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ¯āĻŧ āĻ†āĻ¸āĻžāĻ° āĻŽāĻ¤ ā§¨ā§Ģ āĻŸāĻŋ MCQ | Sajan Sir

Sajan Sir

Shared 6 months ago

511 views

8:27

SSC25 āĻĨā§‡āĻ•ā§‡ HSC27: āĻ•ā§€āĻ­āĻžāĻŦā§‡ āĻĒāĻĄāĻŧāĻž āĻļā§āĻ°ā§ āĻ•āĻ°āĻŦā§‡? āĻ•āĻ–āĻ¨ āĻļā§āĻ°ā§ āĻ•āĻ°āĻŦā§‡? āĻ¸āĻŦ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻ‰āĻ¤ā§āĻ¤āĻ°!

Sajan Sir

Shared 7 months ago

539 views

10:06

SSC 26 Short Syllabus Update | āĻ—ā§āĻ›āĻŋāĻ¯āĻŧā§‡ āĻĒāĻĄāĻŧāĻ˛ā§‡ āĻ¸āĻšāĻœā§‡āĻ‡ A+

Sajan Sir

Shared 7 months ago

135 views

7:40

Analyze the product −𝟐𝒙^𝟐+𝒙𝒚+𝟔𝒚^𝟐+𝟖𝒙−𝟐𝒚−𝟖

Sajan Sir

Shared 7 months ago

278 views

7:35

ā§¨ā§Ļā§¨ā§Ģ āĻ¸āĻžāĻ˛ā§‡āĻ° āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ° āĻœāĻ¨ā§āĻ¯ ā§ŦāĻˇā§āĻ  ā§­āĻŽ ā§ŽāĻŽ āĻļā§āĻ°ā§‡āĻŖā§€āĻ° āĻ›āĻžāĻ¤ā§āĻ°āĻ›āĻžāĻ¤ā§āĻ°ā§€āĻ°āĻž āĻ•ā§€ āĻœāĻžāĻ¨āĻž āĻœāĻ°ā§āĻ°ā§€ ?

Sajan Sir

Shared 7 months ago

255 views

9:57

āĻ‰ā§ŽāĻĒāĻžāĻĻāĻ•ā§‡ āĻŦāĻŋāĻļā§āĻ˛ā§‡āĻˇāĻŖ −𝟑𝒙^𝟐−𝟐𝒙𝒚+𝟖𝒚^𝟐+𝟏𝟏𝒙−𝟖𝒚−𝟔

Sajan Sir

Shared 8 months ago

339 views

22:35

SSC 25 āĻ—āĻŖāĻŋāĻ¤ āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ¯āĻŧ āĻ†āĻ¸āĻžāĻ° āĻŽāĻ¤ ā§Šā§Ļ āĻŸāĻŋ MCQ (With Calculator Hacks!)

Sajan Sir

Shared 8 months ago

1.2K views

29:53

SSC 25 āĻ—āĻŖāĻŋāĻ¤ āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ¯āĻŧ āĻ†āĻ¸āĻžāĻ° āĻŽāĻ¤ ā§Šā§Ļ āĻŸāĻŋ MCQ (With Calculator Hacks!)

Sajan Sir

Shared 8 months ago

1K views

4:35

SSC25 Tention NOT

Sajan Sir

Shared 8 months ago

233 views

56:09

āĻ¤ā§‹āĻŽāĻžāĻĻā§‡āĻ° āĻĒā§āĻ°āĻļā§āĻ¨ 📜 āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ āĻāĻ–āĻžāĻ¨ā§‡ ✅ EP 02 | Sajan Sir

Sajan Sir

Shared 10 months ago

261 views

42:33

SSC Higher Math Chapter 11.4 | āĻ¸ā§āĻĨāĻžāĻ¨āĻžāĻ™ā§āĻ• āĻœā§āĻ¯āĻžāĻŽāĻŋāĻ¤āĻŋ ā§§ā§§.ā§Ē | sthananko jyamiti 11.4 | Sajan Sir

Sajan Sir

Shared 11 months ago

539 views

21:37

SSC Higher Math Chapter 11.3 | āĻ¸ā§āĻĨāĻžāĻ¨āĻžāĻ™ā§āĻ• āĻœā§āĻ¯āĻžāĻŽāĻŋāĻ¤āĻŋ ā§§ā§§.ā§Š | sthananko jyamiti 11.3 | Sajan Sir

Sajan Sir

Shared 11 months ago

292 views

25:15

āĻ¤ā§‹āĻŽāĻžāĻĻā§‡āĻ° āĻĒā§āĻ°āĻļā§āĻ¨ 📜 āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ āĻāĻ–āĻžāĻ¨ā§‡ ✅| Sajan Sir

Sajan Sir

Shared 11 months ago

146 views

38:58

SSC Higher Math Chapter 11.2 | āĻ¸ā§āĻĨāĻžāĻ¨āĻžāĻ™ā§āĻ• āĻœā§āĻ¯āĻžāĻŽāĻŋāĻ¤āĻŋ ā§§ā§§.ā§¨ | sthananko jyamiti 11.2| Sajan Sir

Sajan Sir

Shared 11 months ago

361 views

49:20

SSC Higher Math Chapter 11.1 | āĻ¸ā§āĻĨāĻžāĻ¨āĻžāĻ™ā§āĻ• āĻœā§āĻ¯āĻžāĻŽāĻŋāĻ¤āĻŋ ā§§ā§§.ā§§ | sthananko jyamiti 11.1 | Sajan Sir

Sajan Sir

Shared 11 months ago

874 views

Next page