# HCR's Rank Formula by H.C. Rajpoot-2014

**Algebra**Level 4

Q.7. If all the linear permutations obtained by permuting certain letters together which have a pre-defined linear sequence as follows A→B→B→C→C→C→D→D→E are arranged in the correct alphabetic order then the rank (correct position) of any randomly selected permutation say 'DCBAEBCDC' in the same order is