Question

find the next number in the series 2,12,30,56

Answer 1

2+10=12
12+(10+8)=30
30+(10+8+8)=56
therefore 56+(10+8+8+8)=90
hope you enjoy

Answer 2

the next term is 2+10=12, 12+10+8= 30, 30+10+8+8=56, 56+10+8+8+8= 90