1,5,13,25,__ Select
A) 26
B) 30
C) 31
D) 41
E) 43
Series increased by   1   1 + (4*1) = 1 +4= 
<gadget id="calculator">1 +4</gadget>
<output>5</output>
5   5 + (4*2)= 5 +8= 
<gadget id="calculator">5 +8</gadget>
<output>13</output>
13   13+ (4*3)= 13+12= 
<gadget id="calculator">13+12</gadget>
<output>25</output>
25   25+ (4*4)= 25+16= 
<gadget id="calculator">25+16</gadget>
<output>41</output>
41   ANSWER:41
<result>D</result>
1,5,13,25,__