How many integers between 300 and 1400 are there such that their unit digit is odd? Select
A) 350
B) 450
C) 550
D) 650
E) 750
There are 1100 numbers from 301 to 1400 (inclusive).   Half of the numbers are odd, so there are 550 odd numbers.   The answer is 550.
<result>C</result>
How many integers between 300 and 1400 are there such that their unit digit is odd?