Number Series Riddle #2aoeilda (35)in #contest • 7 years ago Solve if you can this number series: 3, 7, 16, 35, X. Let me know your solution. #steem #funny #science #math
X = 74!
(3) = 3
(3x2)+1 = 7
(7x2)+2=16
(16x2)+3=35
(35x2)+4= 74
Great, ahmadmanga!