What is the next number 3 4 6 9 13 18 24
31.There's a pattern, +1, +2,+3,+4 ect.
Basically, the number added increases by one each time.3 + 1 = 44 + 2 = 6... etcSo, you have to add 7 to 24 to get the answer24 + 7 = 31The answer is 31