Which of the following groups of letters when sequentially placed from left to right will complete the given series?
defghd _ fghd _ fghdef _ hdefgh _ efgh
1
fdgh
2
eegd
3
efgh
4
eged
Which of the following groups of letters when sequentially placed from left to right will complete the given series?
defghd _ fghd _ fghdef _ hdefgh _ efgh