How many odd numbers are possible between 1 to 10000000? find out the number of odd number of digits?  Pick.
A) 2999	B) 3500	C) 4000	D) 4599	E) 4999999
There are always one odd and one even no. And the question is odd no. Between 1 to 10000000   So we have to find no. Between 1 to 10000 so we should not includes 1   10000000/2 -1= 
<gadget id="calculator">10000000/2 -1</gadget>
<output>4_999_999</output>
4999999   ANSW4999999R:4999999
<result>E</result>
How many odd numbers are possible between 1 to 10000000? find out the number of odd number of digits?