How many odd integers Q between 200 and 600 are there such that their tens digit is even?	Choose the correct answer.
A) 20 B) 25 C) 100 D) 150 E) 200
The hundreds digit can take 4 values: 2, 3, 4 and 5;   The tens digit can take 5 values: 0, 2, 4, 6 and 8;   The units digit can take 5 values: 1, 3, 5, 7 and 9;   Total Q:  4*5*5= 
<gadget id="calculator"> 4*5*5</gadget>
<output>100</output>
100.   Answer: 100.
<result>C</result>
How many odd integers Q between 200 and 600 are there such that their tens digit is even?