Question

Find the wrong number .. 4,4,6,12_30,90,325,1260

Answer 1

Series is something like this :-

4×1.5 = 6

6×2 = 12

12×2.5 = 30

30 ×3 = 90

90×3.5= 315 ( In question, there is a mistake)

315×4 = 1260

1260×4.5 =5670

Hence, 5670 is the answer.