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Thanks guys. You make me feel rather stupid - it's so easy!!:|
I stumbled upon this wonderful site. I used to be able to do calcs about permutations, but not now. Too old. Help me with this one pleaaaase.
Our vehicle reg plates used to have a combination of three alpha and 3 numericals (excl. a,e,i,o and u)eg. BBB 123 (3x21 alpha and 3x10 nums) Now we have three sets of
2 alpa, 2 numbers and 2 alpha again (bb 11 bb) (2x21 alpha, 2x10 nums plus 2x21 alpha)
How the heck do I calculate the number of possible number plates???
Hope to hear from someone!!?
Piet
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