Three Problems, 11/19

1. Matchpoints, none vul, you hold

    Q76 KJ85 1042 AQ3

   LHO	CHO	RHO	You
   Pass	Pass	3	Pass
   Pass	Dbl	Pass	?

2. IMPs, non vul, short matches, you hold

    A9xx xxx Kxxx Qx

   RHO	You	LHO	CHO
   4	Pass	Pass	6
   Pass	?

3. Matchpoints, none vul, you hold

    KJ72 J432 Q8 A53

   CHO	RHO	YOU	LHO
   Pass	1NT	All Pass

   
   1NT was 12-14.

   What's your lead?