25 of them
998 - 3 digits even number Next even number is 1000 - 4 digits. So 998 is the largest ...
28
24680 using only even numbers or 12346 which is an even number
12689 14689 12489
it can be 22 44 66 or 88, yes that is true, but it can also be 20 22 24 26 28, and so on because the person clearly says that the number has two digits and both digits are even, but the person did not say that the even numbers had to be the same
998 - 3 digits even number Next even number is 1000 - 4 digits. So 998 is the largest ...
28
24680 using only even numbers or 12346 which is an even number
There are 5760 such numbers.
12689 14689 12489
it can be 22 44 66 or 88, yes that is true, but it can also be 20 22 24 26 28, and so on because the person clearly says that the number has two digits and both digits are even, but the person did not say that the even numbers had to be the same
6*6*3 = 108 numbers.
It is composite, as are all whole numbers whose last digits are even.
The only two digit numbers whose digits add up to 17 are 89 and 98. Since 98 is an even number, 89 is prime.
The one closest to the Middle if your sequence is of an even set of digits. The median will be a specific number if you have a sequence of odd digits.
Assuming the question refers to the digits 1, 2, ... , 9 the answer is 1344 numbers.
98,764