How many integers between 300 and 1200 are there such that their unit digit is odd? Pick one: A) 250 B) 350 C) 450 D) 550 E) 650
There are 900 numbers from 301 to 1200 (inclusive).   Half of the numbers are odd, so there are 450 odd numbers.   The answer is 450.
<result>C</result>
How many integers between 300 and 1200 are there such that their unit digit is odd?