How many three digits no. can be formed also including the condition that the no. can have at least two same digits ?	Choose the correct choice from the following:
A) 458
B) 249
C) 251
D) 252
E) 254
total 3 digit no. is-9*10*10=900   and total no. of non repeated digits are=9*9*8= 
<gadget id="calculator">9*9*8</gadget>
<output>648</output>
648   So the total no. of repeated digits(2 &amp; 3 repeated)=900-648= 
<gadget id="calculator">900-648</gadget>
<output>252</output>
252   ANSWER:252
<result>D</result>
How many three digits no. can be formed also including the condition that the no. can have at least two same digits ?