29 of them.
There are 898 three-digit even numbers. Nine of them are multiples of 55. That leaves 889 * * * * * There are 450 three-digit even numbers and 17 of them are multiples of 55. So that leaves 433.
450
42 of them.
There are 450 of them.
There are 720 of them.
There are 9*10*9 = 810 such numbers.
The 3-digit counting numbers are 100 through 999 = 900 numbers.Half them are multiples of 2 (even numbers).The other half are not . . . 450 of them.
60 numbers
All of the odd numbers between 11 and 99 inclusive are two digit numbers that are not multiples of 2. There are 45 of them.
Three-digit counting numbers range from 100 to 999. To find how many of these are multiples of 2, we note that the smallest three-digit multiple of 2 is 100, and the largest is 998. The sequence of three-digit multiples of 2 can be represented as 100, 102, 104, ..., 998, which forms an arithmetic sequence with a common difference of 2. The total number of terms in this sequence can be calculated as ((998 - 100) / 2 + 1), resulting in 450 three-digit counting numbers that are multiples of 2.
67 of them.
50 of them.