Three-digit 67824
The numbers 1,3,7,4 are given. How many three-digit numbers are there:
a) if the numbers can be repeated
b) if the numbers cannot be repeated
c) how many even three-digit numbers if the numbers can be repeated
d) how many odd three-digit numbers if the numbers could be repeated?
a) if the numbers can be repeated
b) if the numbers cannot be repeated
c) how many even three-digit numbers if the numbers can be repeated
d) how many odd three-digit numbers if the numbers could be repeated?
Correct answer:
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