3,7,12,..............4th terms Choose the correct choice from the following answers:  A) 43  B) 53  C) 18  D) 65  E) 78
3+4= 
<gadget id="calculator">3+4</gadget>
<output>7</output>
7   7+5= 
<gadget id="calculator">7+5</gadget>
<output>12</output>
12   12+6= 
<gadget id="calculator">12+6</gadget>
<output>18</output>
18   ANSWER:18
<result>C</result>
3,7,12,..............4th terms