Find the odd man out. 23, 27, 36, 52, 77, 111, 162
162
111
52
27
Explanation:
23 + 22 = 27
27 + 32 = 36
36 + 42 = 52
52 + 52 = 77
77 + 62 = 113
113 + 72 = 162
Hence, 113 should have come in place of 111