Sequentially 35731
There are 6 different tickets marked with numbers 1 to 6 in the pocket.
In how many different ways can we sequentially, taking into account the order, choose three of them, if the chosen tickets return to the pocket?
In how many different ways can we sequentially, taking into account the order, choose three of them, if the chosen tickets return to the pocket?
Correct answer:
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Hmp
This is wrong. There are 6 different tickets. The answer implies that I can choose 3 tickets with the same number. The real answer is 6 x 5 x 4
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