Of the three- digit integers greater than 700, how many have two digits Q that are equal to each other and the remaining digit different from the other two?	Select the correct option
A) 90	B) 82	C) 80	D) 45	E) 36
three-digit integers greater than 700: 701 to 999, inclusive.   possible values for hundreds-digit--&gt; 7,8,9   possible values for tens-digit and ones-digit --&gt; 0, 1,2,3,4,5,6,7,8,9   when hundreds-digit and tens-digit are the same: (3x1x10)-3=27 ---&gt; we minus three to exclude 777, 888 and 999   when hundreds-digit and ones-digit are the same: (3x10x1)-3=27 ---&gt; we minus three to exclude 777, 888 and 999   when tens-digit and hundreds-digit are the same:[(3x10x1)-3]-1=26 ---&gt; we minus three to exclude 777, 888 and 999; we minus one to exclude 700   Q=27+27+26= 
<gadget id="calculator">27+27+26</gadget>
<output>80</output>
80   Answer: 80
<result>C</result>
Of the three- digit integers greater than 700, how many have two digits Q that are equal to each other and the remaining digit different from the other two?