Question 895322
<font color="red">this is not a mixture problem</font>

in these kinds of number series, always find a pattern

the pattern with this one, is you subtract 6 from the preceding term to get the term after it.

so,

43 - 6 = 37
37 - 6 = 31
31 - 6 = 25
25 - 6 = 19
19 - 6 = 13


19, 13