"130" and "310" .
More than one
24680 using only even numbers or 12346 which is an even number
You can make three even numbers out of the digits 4, 5, and 6 by using the digits 4 and 6 twice: 464, 466, and 446.
two
504
More than one
6*6*3 = 108 numbers.
24680 using only even numbers or 12346 which is an even number
9650 is the largest formed by re-ordering the digits.
Try 130. Or how about 310.
Assuming the question refers to the digits 1, 2, ... , 9 the answer is 1344 numbers.
You can make three even numbers out of the digits 4, 5, and 6 by using the digits 4 and 6 twice: 464, 466, and 446.
None, because you do not have three even digits. None, because you do not have three even digits. None, because you do not have three even digits. None, because you do not have three even digits.
985
98,764
two
501396