Select the next number in the series 298 209 129 58-4?

Answer 1

The difference between one number and the next in the sequence is decreasing by 9 each time. Therefore, the difference between -4 and the next number will be equal to 62 - 9 = 53.

The next number is therefore equal to -4 - 53 = -57.

Answer 2

Select the next number in the series: 298 209 129 58 -4

-13

Answer 3

The next number is -57