Question

Which same three-letter word can be placed in front of the following words to make a new word?

SIGN, DONE, DUCT, FOUND, FIRM, TRACT, DENSE

Answer 1

Consign,condone, Conduct,Confound, Confirm, Contract,Condense

Answer 2

Con is the required three letter word.

CONsign, CONdone, CONduct, CONfound, CONfirm, CONtract, and CONdense.

hope it helps.