How many 4 digit number contain number 2 ?  Choose the correct choice from the following.
A) 3168	B) 3268	C) 3368	D) 3468	E) 3568
total 4 digit no. = 9*10*10*10= 
<gadget id="calculator">9*10*10*10</gadget>
<output>9_000</output>
9000   not containing 2= 8*9*9*9= 
<gadget id="calculator">8*9*9*9</gadget>
<output>5_832</output>
5832   total 4 digit number contain 2= 9000 - 5832= 
<gadget id="calculator">9000 - 5832</gadget>
<output>3_168</output>
3168   3168NSWER:3168
<result>A</result>
How many 4 digit number contain number 2 ?