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Sunday Telegraph - Figure It Out - "password Permutations"
4 Answers
In the explanatory workings of the answer to this question, the setter has discounted the numbers 30, 60 and 90 from the calculations. Why?
The numbers 03, 06 and 09 were also removed, presumably because they are considered to be single digit numbers, but why were 30, 60 and 90 removed?
Is the number "0" not considered a digit?
Thanks in advance!
The numbers 03, 06 and 09 were also removed, presumably because they are considered to be single digit numbers, but why were 30, 60 and 90 removed?
Is the number "0" not considered a digit?
Thanks in advance!
Answers
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