SSC CHSL 29 JAN 2017 SHIFT 3 TIER 1 REASONING QUESTION 6

6.Select the odd word/letters/number/number pair from the given alternatives.
Options:
1) CEHJ
2) HJMO
3) RTWY
4) PQTV
Answer: 4 (PQTV)



Sol:
CEHJ : 3 5 8 10
HJMO : 8 10 13 15
RTWY : 18 20 23 25
PQTV : 16 17 20 22

see the difference between first two numbers of each. for first 3, it is 2 and for last it is one.