What will come in place of the x in the following Number series? 1, 2, 12, 7, 23, 12, 34, x	Select the correct option.
A) 14  B) 15  C) 16  D) 17  E) 18
There are two series here   1, 12, 23, 34, ... (Increase by 11)   2, 7, 12, ... (Increase by 5)   Hence, next term is   12 + 5= 
<gadget id="calculator">  12 + 5</gadget>
<output>17</output>
17   Correct Answer Choice is 17
<result>D</result>
What will come in place of the x in the following Number series? 1, 2, 12, 7, 23, 12, 34, x