Z,W,T,Q moves three steps backward and S, O, K, G moves four steps backward to get the next term.
6. In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? _ yzaa _ y _ xy _ aazy _
8. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. T Q N K H E B Y V S P ? ? ?
9. In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? a _ bc _ a _ bcdabc _ da _ cd _