How many odd integers S between 200 and 600 are there such that their tens digit is even? Choose the correct choice from the following options:
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 S:  4*5*5= 
<gadget id="calculator"> 4*5*5</gadget>
<output>100</output>
100.   Answer: 100.
<result>C</result>
How many odd integers S between 200 and 600 are there such that their tens digit is even?