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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.

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24:14

Geometry Symmetry Clears All Confusions in 1 Video! đŸšĢ |SSC Chapter 14 | Sajan Sir

Sajan Sir

Shared 2 hours ago

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3:52

SSC Higher Math Chapter 7 Suggestion | 10 Marks by Typing These 6 Questions from Infinite Series!...

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Shared 1 week ago

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5:42

Sets and Functions (Chapter 2) Best Suggestions | Board Question Analysis | SSC General Math | Sa...

Sajan Sir

Shared 1 week ago

6.8K views

7:15

Statistics Best Suggestions | Board Based Test Paper Analysis | SSC General Math Chapter 17|Sajan...

Sajan Sir

Shared 1 week ago

3.9K views

1:38:52

āĻŦāĻžāĻ¸ā§āĻ¤āĻŦ āĻ¸āĻ‚āĻ–ā§āĻ¯āĻžāĻ° 'āĻŽāĻžāĻ¸ā§āĻŸāĻžāĻ° āĻ•ā§āĻ˛āĻžāĻ¸' đŸ”Ĩ | āĻāĻ• āĻ•ā§āĻ˛āĻžāĻ¸ā§‡āĻ‡ āĻ¸āĻŦ āĻĒāĻžāĻ¨āĻŋāĻ° āĻŽāĻ¤ā§‹ āĻ¸āĻšāĻœ! 💧 | SSC 2026,27 & 28 | Sajan Sir

Sajan Sir

Shared 2 weeks ago

584 views

3:19

How did Probability come about? | Mathematical formulas from a gambling story

Sajan Sir

Shared 2 weeks ago

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6:42

SSC 26 Probability Suggestion: Questions will come from these 7 types!đŸ”Ĩ| Episode 01 | Sajan Sir

Sajan Sir

Shared 2 weeks ago

1.2K views

13:30

đŸšĢWhich calculator can be used for SSC 2026? | SSC 26 Routine & Exam Guidelines | Sajan Sir

Sajan Sir

Shared 3 weeks ago

5.9K views

37:36

đŸ”ĨStatistical graphs finished in one class! 📈 | Rectangle, Polygon and Line | Sajan Sir

Sajan Sir

Shared 3 weeks ago

984 views

1:05:25

āĻāĻ• āĻ•ā§āĻ˛āĻžāĻ¸ā§‡āĻ‡ āĻ†āĻ‚āĻļāĻŋāĻ• āĻ­āĻ—ā§āĻ¨āĻžāĻ‚āĻļ āĻļā§‡āĻˇ!đŸ”Ĩ | Board Question Solve (2017-20) | SSC Higher Math Chapter 2

Sajan Sir

Shared 1 month ago

1.8K views

0:06

Happy New Year 2026

Sajan Sir and Learn With Tapasya

Shared 1 month ago

569 views

1:51

āĻ†āĻ¸āĻ›ā§‡ āĻ¤ā§‹āĻŽāĻžāĻĻā§‡āĻ° āĻœāĻ¨ā§āĻ¯ āĻ–ā§āĻŦ āĻļā§€āĻ˜ā§āĻ°āĻ‡ āĻĻāĻžāĻ°ā§āĻ¨ āĻ•āĻŋāĻ›ā§..!đŸ’¯ āĻ•āĻŽā§‡āĻ¨ā§āĻŸā§‡ āĻœāĻžāĻ¨āĻžāĻ“ āĻ•āĻŋ āĻšāĻ¤ā§‡ āĻĒāĻžāĻ°ā§‡? 🧐

Sajan Sir

Shared 1 month ago

317 views

0:32

āĻĒā§āĻ°āĻļā§āĻ¨ āĻŦāĻĻāĻ˛ā§‡āĻ° āĻ°āĻšāĻ¸ā§āĻ¯: āĻ¯ā§‡āĻ­āĻžāĻŦā§‡ āĻŦā§āĻāĻŦā§‡ āĻĒā§āĻ°āĻļā§āĻ¨ā§‡āĻ° āĻĒā§āĻ¯āĻžāĻŸāĻžāĻ°ā§āĻ¨ā§‡āĻ° āĻ–ā§‡āĻ˛āĻžāĨ¤

Sajan Sir

Shared 1 month ago

291 views

2:57

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

Sajan Sir

Shared 1 month ago

998 views

5:01

SSC 2026 Batch | Comeback āĻšāĻŦā§‡āĻ‡ đŸ”Ĩ | Offline Batch + Online Test Paper Solve | A+ āĻ¨āĻŋāĻļā§āĻšāĻŋāĻ¤

Sajan Sir

Shared 1 month ago

1.5K views

1:00

āĻ¤ā§āĻŽāĻŋ āĻ•āĻŋ āĻœāĻŋāĻ¨āĻŋāĻ¯āĻŧāĻžāĻ¸? āĻāĻ‡ āĻ¸āĻšāĻœ āĻ…āĻ‚āĻ•āĻŸāĻŋ āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ āĻ•āĻ°ā§‹! 🧠 | 1 Minute Math Challenge | Sajan Sir

Sajan Sir

Shared 2 months ago

284 views

0:32

āĻĻāĻžāĻ—āĻžāĻ¨ā§‹ āĻŦāĻ‡ āĻ¸āĻŋāĻ°āĻŋāĻœ āĻāĻ° āĻ˛āĻŋāĻ‚āĻ• āĻ•āĻŽā§‡āĻ¨ā§āĻŸā§‡ āĻŦāĻ•ā§āĻ¸ā§‡ 👇đŸĢ 

Sajan Sir

Shared 2 months ago

634 views

0:14

āĻŸā§āĻ•āĻŋ āĻŸā§āĻ•āĻŋ

Sajan Sir

Shared 2 months ago

776 views

0:09

āĻĻā§‡āĻ°āĻŋ āĻ•āĻ°ā§‹ āĻ¨āĻž āĻ•āĻŋāĻ¨ā§āĻ¤ā§ āĻāĻ–āĻ¨āĻ‡ āĻāĻ¨āĻ°ā§‹āĻ˛āĻĄ āĻ•āĻ°ā§‹āĨ¤

Sajan Sir

Shared 2 months ago

408 views

1:55

ā§¨ āĻŦāĻžāĻ° āĻ›āĻ•ā§āĻ•āĻžāĻ° Probability Tree: āĻāĻ‡ āĻ­ā§āĻ˛āĻŸāĻŋ āĻ¤ā§āĻŽāĻŋāĻ“ āĻ•āĻ°āĻ›ā§‹ āĻ¨āĻž āĻ¤ā§‹? ❌ | SSC Probability Math | Sajan Sir

Sajan Sir

Shared 2 months ago

607 views

0:29

āĻ†āĻŽāĻžāĻ¯āĻŧ āĻ¯āĻ–āĻ¨ āĻ¤ā§‹āĻŽāĻ°āĻž āĻ¸āĻŽā§āĻ°āĻžāĻŸ āĻļāĻžāĻšāĻœāĻžāĻšāĻžāĻ¨ āĻŦāĻžāĻ¨āĻŋāĻ¯āĻŧā§‡ āĻĻāĻžāĻ“ 😜 āĻ†āĻ° āĻ—āĻ¨āĻŋāĻ¤ āĻ†āĻŽāĻžāĻ° āĻŽāĻŽāĻ¤āĻžāĻœ - Student Made 3

Sajan Sir

Shared 2 months ago

453 views

58:15

āĻ­ā§‡āĻ•ā§āĻŸāĻ° āĻ†āĻ° āĻ•āĻ āĻŋāĻ¨ āĻ˛āĻžāĻ—āĻŦā§‡ āĻ¨āĻž! đŸ”Ĩ | āĻ¸āĻŽāĻ¤āĻ˛ā§€āĻ¯āĻŧ āĻ­ā§‡āĻ•ā§āĻŸāĻ° One Shot Class | SSC 2026 Higher Math Ch 12

Sajan Sir

Shared 2 months ago

2.3K views

0:09

SSC Test Paper Solve & CQ solve course āĻ¸āĻ•āĻ˛ āĻ¤āĻĨā§āĻ¯ āĻ•āĻŽā§‡āĻ¨ā§āĻŸ āĻŦāĻ•ā§āĻ¸ā§‡ 👇

Sajan Sir

Shared 3 months ago

278 views

0:14

Class Moments 3āĨ¤ Students Made

Sajan Sir

Shared 3 months ago

460 views

55:02

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

Sajan Sir

Shared 3 months ago

6.4K views

16:51

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

Sajan Sir

Shared 3 months ago

1.8K views

3:26

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

Sajan Sir

Shared 3 months ago

4.8K views

37:57

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

Sajan Sir

Shared 3 months ago

5.1K views

0:29

Class Moments 2āĨ¤ Students Made

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Shared 3 months ago

586 views

22:31

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

Sajan Sir

Shared 3 months ago

1.6K views

0:48

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

Sajan Sir

Shared 3 months ago

543 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 7 months ago

723 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 7 months ago

132 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 7 months ago

101 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 7 months ago

124 views

3:03

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

Sajan Sir

Shared 7 months ago

4.9K 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 7 months ago

108 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 7 months ago

56 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 7 months ago

41 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 7 months ago

29 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 7 months ago

47 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 7 months ago

38 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 7 months ago

39 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 7 months ago

25 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 7 months ago

32 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 7 months ago

38 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 7 months ago

43 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 7 months ago

35 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 7 months ago

50 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 7 months ago

54 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 7 months ago

55 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 7 months ago

139 views

31:30

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

Sajan Sir

Shared 7 months ago

473 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 8 months ago

183 views

47:30

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

Sajan Sir

Shared 8 months ago

348 views

4:40

ES āĻŦāĻž CW āĻ•āĻŋ āĻšāĻ˛āĻŦā§‡? HSC 2025 Board Approved Calculator List | āĻ•ā§‹āĻ¨ āĻ•ā§āĻ¯āĻžāĻ˛āĻ•ā§āĻ˛ā§‡āĻŸāĻ°āĻ—ā§āĻ˛ā§‹ āĻŦā§‹āĻ°ā§āĻĄ āĻ…ā§āĻ¯āĻžāĻĒā§āĻ°ā§āĻ­āĻĄ?

Sajan Sir

Shared 8 months ago

2.1K 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 8 months ago

662 views

2:03

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 8 months ago

252 views

51:21

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

Sajan Sir

Shared 8 months ago

527 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 9 months ago

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