How many integers between 100 and 600 are there such that their unit digit is odd?
Choose the correct choice from the following answers
A) 100  B) 250  C) 200  D) 50  E) 150
500 numbers between - 100 and 600   Out of which half would be even, half odd.   Number of odd unit digit number =250.   correct option is 250
<result>B</result>
How many integers between 100 and 600 are there such that their unit digit is odd?