Question

3,7,4,13,5,21...?this is tyoe of iq. So what will be the next Digite. I get one but not the second. The first anewer is 6 but the secon??

Answer 1

Answer:

31 is the second number

Step-by-step explanation:

7+6=13. 13+8 =21 21+10=31 it is the series of even numbers