The next number in the series 13, 18, 16, 21, 19, is:

If any event is arranged in a specific manner then we call it in a sequence.

Answer: The next number in the series 13, 18, 16, 21, 19, is 24

Let us proceed step by step to find the next number in the series 13, 18, 16, 21, 19, ...

Explanation:

From the given series: 13, 18, 16, 21, 19, ...

We can observe that:

13 + 5 = 18

18 - 2 = 16

16 + 5 = 21

21 - 2 = 19

So, following this series, the next number will be 19 + 5 = 24

Therefore, the next number in the series 13, 18, 16, 21, 19, is 24.