How many odd numbers are possible between 1 to 10000? find out the number of odd number of digits?	Choose the correct choice from the following choices:
A) 2999	B) 3500	C) 4000	D) 4599	E) 4999
There are always one odd and one even no. And the question is odd no. Between 1 to 10000   So we have to find no. Between 1 to 10000 so we should not includes 1   10000/2 -1= 
<gadget id="calculator">10000/2 -1</gadget>
<output>4_999</output>
4999   ANSW4999R:4999
<result>E</result>
How many odd numbers are possible between 1 to 10000? find out the number of odd number of digits?