How many integers between 300 and 1000 are there such that their unit digit is odd?
Choose the correct option.
A) 200 B) 250 C) 350 D) 400 E) 450
There are 700 numbers from 301 to 1000 (inclusive).   Half of the numbers are odd, so there are 350 odd numbers.   The answer is 350.
<result>C</result>
How many integers between 300 and 1000 are there such that their unit digit is odd?