Question

what should come in place of the question mark(?)in the following number series? 9,19,40,83 ? 345,696​

Answer 1

Answer:

The question mark should go at the end cause this is confusing

Step-by-step explanation:

Answer 2

Answer:

170

Step-by-step explanation:

9*2+1 = 19

19*2+2 = 40

40*2+3 = 83

83*2+4 = 170

170*2+5 = 345

345*2+6 = 696

As you can see, we have multiplied the last number by 2 and then added a number from 1 to 10 in series

Hope It Helps!