How many integers between 10 and 100 are there such that their unit digit is odd?	Choose the correct choice:
A) 45 B) 50 C) 30 D) 60 E) 55
90 numbers between - 10 and 100   Out of which half would be even, half odd.   Number of odd unit digit number = 45.   correct option is 45
<result>A</result>
How many integers between 10 and 100 are there such that their unit digit is odd?