What number will come in place of the question mark in the following series - 345, 357, 372, 384, 399, 420, ? Share with your friends Share 7 Brijendra Pal answered this Hi, Hi, 345, 357, 372, 384, 399, 420, ?Difference between two terms is 12, 15, 12, 15, 21but here no pattern can be seen so checking alternate series 345, 372, 399 , difference is 27 in each now 357, 384 , 420 here difference is 27 for first but not for second so 420 is incorrect term here kindly recheck the question. Regards Regards 1 View Full Answer Riya Batra answered this idk -5 Sahil answered this sorry -5 Juveria answered this no idea -4
