Maths Exercises
Español
web counter Bookmark and Share
Done: 0 Corrects: 0                          User (login-registrate)
 
Documento sin título
 
Maths Exercices
Variations without repetition
n = m = Vn,m=
Variations with repetition
n = m = VRn,m=
Permutations
n = Pn =
Circular permutations
n = (n-1)!=
Combinations without repetition
n = m = Cn,m=
Combinations with repetition
n = m = CRn,m=

How many natural numbers are there which are greater than 3000 and less than 4000and in which all the figures are different?.

Solution: