Question

What is the next number 3 4 6 9 13 18 24

Answer 1

Basically, the number added increases by one each time.

3 + 1 = 4
4 + 2 = 6... etc

So, you have to add 7 to 24 to get the answer
24 + 7 = 31

The answer is 31

Answer 2

31.
There's a pattern, +1, +2,+3,+4 ect.