Which of the following groups of letters when sequentially placed from left to right will complete the given series?
r_tuvrstuvr_tuvrstuvrstuvr_tuvrstuvrst_v
1
tust
2
suvt
3
sssu
4
utvu
Which of the following groups of letters when sequentially placed from left to right will complete the given series?
r_tuvrstuvr_tuvrstuvrstuvr_tuvrstuvrst_v