Find out the next two numbers in the series.
23, 28 , 35 , 26, 15, 28, _ ,_,.......................
Answer
23, 28 , 35 , 26, 15, 28, _ , _ ,.......................
+5 +7 -9 -11 +13
Next two numbers 28 + 15 = 43
43 -17 = 26
23, 28 , 35 , 26, 15, 28, 43 ,26,.......................