Pattern Recognition - 87

Find out the next two numbers in the series.

2529, 3531, 4548 , 5552 , _ , _ , ........................


Answer

2529, 3531, 4548 , 5552 , _ , _ , ........................

29 = 25+4 

31 = 35- 4  

48 = 45 +3

52 = 55 - 3 


Next two numbers   65 65+2    75  75-2     6567    7573


2529, 3531, 4548 , 5552 , 6567 , 7573 , ........................