Permutations and Combinations dictionary problems of rank finding by keertimanmunish

Short cut technique for Rank finding in dictionary problems of Permutation and Combination when no repeatition and also when there is repeatition of letters is there. Very useful for entrances MBA, XAT,MAT ,CAT,IP,CA-CPT, IIT, AIEEE,etc. by keerti…

Short cut technique for Rank finding in dictionary problems of Permutation and Combination when no repeatition and also when there is repeatition of letters is there. Very useful for entrances MBA, XAT,MAT ,CAT,IP,CA-CPT, IIT, AIEEE,etc. by keertimanmunish http://youtu.be/wZacI-AdPzY, http://youtu.be/jei9BP8bspQ, http://youtu.be/n0N3lO3ZI8A

can u help i tried dz wid words lik run , google, again bt not getting ans