Question

What number comes next 3 10 30 47?

Answer 1

I m not sure but I think it could be 77?

1) 3 2)10 3)30 4)47 5)?

Between 1 and 3 there is a difference of 27( 3+27=30)

Between 2 and 4 there is a difference of 37(10+37=47)

Between 3 and 5 it could be a difference of 47 (30+47=77)