Which of the following groups of letters when sequentially placed from left to right will complete the given series?
w_xxyywwx_yywwxxyyww_xyywwxx_y
1
wwxx
2
wxxy
3
wwxy
4
wxwx
Which of the following groups of letters when sequentially placed from left to right will complete the given series?
w_xxyywwx_yywwxxyyww_xyywwxx_y