Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.
Answer & explanation
Correct answer: option 4
option (1) 178 : 637
1+7+8 = 6+3+7
16 = 16
option (2) 152 : 800
1+ 5+ 2 = 8+0+0
8 = 8
option (3) 852 : 960
8+5+2 = 9+6+0
15 = 15
option (4) 785 : 256
7 + 8+ 5 = 2 + 5+ 6
20 ≠ 13