How many 2 digit number contain number 3 ?
Select the correct option.
A) 18	B) 28	C) 38	D) 68	E) 58
total 2 digit no. = 9*10* = 90   not containing 3 = 8*9= 
<gadget id="calculator">8*9</gadget>
<output>72</output>
72   total 2 digit number contain 3= 90 - 72= 
<gadget id="calculator">90 - 72</gadget>
<output>18</output>
18   18NSWER:18
<result>A</result>
How many 2 digit number contain number 3 ?