Question

Identify the missing number in the series 11 19 ? 41 55

Answer 1

the correct series should be 11,19,?,41,55.
explanation;
$11 + 8 = 19 \\ 19 + 10 = 29 \\ 29 + 12 = 41 \\ 41 + 14 = 55$
Therefore 11,19,29,41,55.
I hope it's help you.