Solve this number series riddle and leave your answers in the comment section;
What Comes next in the sequence;
1 + 5 = 18
2 + 10 = 36
3 + 15 = 54
4 + 20 = ??
So were you able to solve the riddle? Leave your answers in the comment section below.
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The one = (1x 13)
(1×13)+5=18
(2×13) + 10 = 36
(3×13) +15 = 54
(4X13) +20 = 72 answer to the Problem