## Vineet Loomba is teaching live on Unacademy Plus

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)

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 !!

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)

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)

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)

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)

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)

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)

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)

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)

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 !!