17
100
Half of them. Every other number from 0 to 99998 is even. Since there are 90,000 five digit numbers, that means that 45,000 of them are even.
There are 4500 such numbers.
500 or so.
With a total of 90,000 five digit numbers, we can conclude that there is 45,000 EVEN five digit numbers.
17
4,000 even numbers, 4,000 odd numbers.
100
2240
There are 450 even three-digit integers, from 100 to 998. This excludes numbers with leading zeroes (000 to 099).
Half of them. Every other number from 0 to 99998 is even. Since there are 90,000 five digit numbers, that means that 45,000 of them are even.
There are 449999 such numbers.
There are 450 even three-digit integers, from 100 to 998. This excludes numbers with leading zeroes (000 to 099).
There are 4500 such numbers.
500 or so.
450