62.
123
28 is such a number.
none
The greatest 3-digit number is 999. 9+9+9 = 27 The sum of the greatest 3-digit number is 27.
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.
63
123
The question is a bit ambiguous: "the sum of the product ... " does not seem to make sense. The first 5 digit number is 10000 the first 5 digit multiple of 6 is 10002 Their product is 100020000. I am not sure what to sum, though.
24
44
12 or 24
Highest 2-digit number = 99 Highest 1-digit number = 9 Highest possible sum from 2, 2-digit numbers = 198 Highest possible sum from 2, 1-digit numbers = 18
1+2+3=6 1x2x3=6 123
12
ok its 5
I think the question is incomplete. One possibility so far is 63.197
57