Find the next number in the series : 15 , 52 , 189 , ?

Question

Find the number that comes next in the following series:

3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?

Answer 1

52 - 15 = 37
189 - 52 = 137
Therefore next difference has to be 237. The required term is 189 + 237 = 426.