Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_tk _ tt _ ltt _ lt _ kl _ tk _
1
tlkkttl
2
tllkttl
3
tlktttl
4
tlkktll
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_tk _ tt _ ltt _ lt _ kl _ tk _