Question

Add Prefix-
1.able
2.do
3.tidy
4.live
5.fund

Answer 1

1.Unable
2.Redo
3.Untidy
4.Relive
5.Refund

Answer 2

$(1) \: able \: = > un + able = unable \\ \\ (2) \: do = > un + do = undo \\ \\ (3) \: tidy = > un + tidy = untidy \\ \\ (4) \: live = > out + live = outlive \\ \\ (5) \: fund = > re + fund = refund$