In how many no. between 100 and 1000 exactly one of the digits is 3?
Choose the correct choice from the following answers.
A) 648	B) 512	C) 252	D) 225	E) 26
3 scenarios possible   3XY = 1*9*9= 
<gadget id="calculator">1*9*9</gadget>
<output>81</output>
81   X3Y (with X ≠≠3 or 0)= 8*1*9= 
<gadget id="calculator">8*1*9</gadget>
<output>72</output>
72   Y3X (with Y ≠≠3 or 0)= 8*1*9= 
<gadget id="calculator">8*1*9</gadget>
<output>72</output>
72   Total cases possible= 144+81= 
<gadget id="calculator">144+81</gadget>
<output>225</output>
225   225 is the correct answer
<result>D</result>
In how many no. between 100 and 1000 exactly one of the digits is 3?