Question

5, 19, 41, 71, 109, ?

Answer 1

$155$
since 19-5=14
41-19=22=14+8
71-41=30=22+8
109-71=38=30+8
155-71=46=38+8

so answer is 155

Answer 2

since 19 - 5 = 14

41 - 19 = 22 = 14 + 8

71 - 41 = 30 = 22 + 8

109 - 71 = 38 = 30 + 8

155 - 71 = 46 = 38 + 8

hence , the answer is 155

#SPJ2