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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=

If take 4 cards from a pack of 40 and do not replace them how many different combinations can we make with the remaining cards?

Solution: