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Grouping Method
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This video explains the gap method or gathri concept of Permutations and combinations.

Vineet Loomba is teaching live on Unacademy Plus

Vineet Loomba
IITian | No. 1 Educator in IIT-JEE (Maths) | 2.6 Million Minutes Watch Time | 8+ Years Experience | Youtube: Maths Wallah | vineetloomba.com

Unacademy user
sir how to solve problem when two particular person is not in the same group in a group of 9 person nd we hve to select 5 person.please sir explain it
mujhe aapke lecture bahut pasand aaye so mene aapko 5star rating bhi ki par ,,,baki lesson me koi problem nhi aai ,,,bas isme aa rhi bahut jyada..........
Vineet Loomba
6 months ago
Thanks ... I ll make new lesson
Viraj patel
6 months ago
and sir,,,,,,,please please please please..differential equation,,hyperbola,,determinant,,matrix,,MOD par bhi lecture dal do........................please please please .................please sir......../////////////////
Viraj patel
6 months ago
me aapka bahut aabhari rahunga sir please dal dijiye lecture.........................please
Viraj patel
6 months ago
p & c par nhi banana ,,usme me adjust kar lunga.......
Viraj patel
6 months ago
qns....kya har par hi rah kar iit me nhi nikla ja sakta.....with taking kota study material and unacademy lecturess.resonance ka complete study material he,, or unacademy ke lecture le rha hu ....is this possible. or impossible..or difficult................please tell me /
Viraj patel
6 months ago
please
boy girl wale me aapne bs do hi ko consider baaki boys girls randomly bhi to baith skte h
thanks a lot sir 😊😊
Vineet Loomba
4 months ago
Welcome 🇮🇳Videos Share करें अपने Friends के साथ और मेरा साथ दें सब को Free IIT Coaching देने में !! जै हिन्द 🇮🇳🙏🙏
  1. PERMUTATIONS AND COMBINATIONS JEE MAIN AND ADVANCED (IIT-JEE) IIT-JEE MATHS MADE EASY PREPARED BY: ER. VINEET LOOMBA IITiAN | IIT-JEE MENTOR FoR SURE SHoT SUcCESS IN JEE MAIN AND ADVANCED (IIT-JEE)


  2. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) ABOUT ME B.Tech. From IIT Roorkee IIT-JEE Mentor Since 2010. Doubts/Feedback in Comment Section * Comment other topics you want to revise. Follow me @ https://unacademy.com/user/vineetloomba to get updates. Share among your peers as SHARING is CARING !!


  3. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Grouping Methodti Con pt) Ex There are 3 different Physics Books, 2 different Chemistry books and 4 different Maths books. If they are to be arranged in a row such that books of same subject are kept together, in how many ways can this be done. ? 2, 3 MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  4. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) There are 11 batsmen from A to K. How many batting orders are possible if G bats immediately after A and J immediately after G Aus MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  5. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) There are 5 girls and 5 boys in a group. In how many ways they can be seated on 10 chairs such that there is pair of brother and sister who wants to sit together. (BS) 91x2 AM MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  6. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) GAP METHOD ExThere are 4 boys and 4 girls and they are to be seated in a row. In how many ways can they be arranged if boys are at odd places and girls are at even places. MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  7. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) () If boys and girls are to sit alternatively. Cand 41x41 =526 5 +57 Cuse (ii) if no two girls should sit together 5 MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  8. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) 5 (iv) Find the number of ways such that not all girls are together H 51u to a MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  9. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Ex: 10 persons from A toJ are given. Find the total number of ways of arranging them such that B and C are together, E and F are together but A and J are never together. (8,c) (E,F) Tst 8I21 21 , 1212.21 eg Au gl 2) 2}- 1 212/2/ MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  10. 100% SUCCESS IN JEE MAIN AND ADVANCED (IIT-JEE) Ex: 4 boys and 4 girls are to sit alternatively. Also it is given that one pair of brother and sister are to sit together. Find the total number of seating arrangements. -Sis MATHEMATICS FOR IIT-JEE ER. VINEET LOOMBA (IIT RooRKEE)


  11. REVISION COURSE FOR JEE MAIN AND ADVANCED (IIT-IEE ABOUT ME B.Tech. From IIT Roorkee IIT-JEE Mentor Since 2010. Doubts/Feedback in Comment Section * Comment other topics you want to revise. Follow me @ https://unacademy.com/user/vineetloomba to get updates. Share among your peers as SHARING is CARING !!