145:130 :: 526 :349 :: 365 : ? 2 numbers on both side of : have a definite relation and no.s on both side of :: follow same pattern Share with your friends Share 2 Lovina Kansal answered this Dear student Please recheck your question because here in the pattern 349 is a only primenumber due to which there is no pattern formed between two number on bothside of : and ::. Regards -2 View Full Answer