depends on your answer
9,752 9,725 9,572
The three largest numbers (in descending order) would be... 975410, 975401 & 975104
874321 is the largest number made from all these digits.
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
8.
972.
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.
32C3 = 4960
You get the largest number if you sort the digits, from largest to smallest.
985
48 of them if digits may not be repeated. 100 if they can.
456, 546 and 564 are three of the four possible even numbers.