Question

What comes next in 4,9,20,43,90

Answer 1

Answer:

4*2+1=9

9*2+2=20

20*2+3=43

43*2+4=90

90*2+5=185

Step-by-step explanation:

Answer 2

Answer:

185

Step-by-step explanation:

4×2+1=9,9×2+2=20,20×2+3=43,43×2+4=90

then next number =

90×2+5=185