Question

If the letters of the word RACHIT are arranged in all possible ways as listed in dictionary. Then what is the rank of the word RACHIT ?

Answer 1

@dan815

Answer 2

R before T so

Answer 3

go backwards
for T there are
T and 5! arrangements
for R there are another 5! arrangements

Answer 4

Ok then ?

Answer 5

but A i s the first letter so

Answer 6

Indeed, R is after every letter but T, so we may count the number of words that we can form assuming T is at the beginning: