SSC CHSL 11 JAN 2017 TIER 1 SHIFT 2 QUESTION 8

Findout the odd word/letters/number/number pair from the given alternatives.
Options:
1. 8912
2. 3469
3. 5555
4. 6734
Answer: 2

1. 8912 => 8 + 9 + 1 + 2 = 20
2. 3469 => 3 + 4 + 6 + 9 = 22
3. 5555 => 5 + 5 + 5 + 5 =20
4. 6734 => 6 + 7 + 3 + 4 = 20

Answer would be 3469