Find the missing number in the given sequence : 1,4,7,?,13,16,? Choose the correct answer
A) 10 & 19
B) 8 & 17
C) 9 & 18
D) 11 & 20
E) 12 & 21
1+3= 
<gadget id="calculator">1+3</gadget>
<output>4</output>
4   4+3= 
<gadget id="calculator">4+3</gadget>
<output>7</output>
7   7+3= 
<gadget id="calculator">7+3</gadget>
<output>10</output>
10   10+3= 
<gadget id="calculator">10+3</gadget>
<output>13</output>
13   13+3= 
<gadget id="calculator">13+3</gadget>
<output>16</output>
16   16+3= 
<gadget id="calculator">16+3</gadget>
<output>19</output>
19   10 &amp; 19NSWER:10 &amp; 19
<result>A</result>
Find the missing number in the given sequence : 1,4,7,?,13,16,?