Problem A

Matchpoints
Neither side vulnerable
You, South, hold:

^*BWS: three spades

What call do you make?

Problem B

Imps
East-West vulnerable
You, South, hold:

What call do you make?

Problem C

Matchpoints
North-South vulnerable
You, South, hold:

What call do you make?

Problem D

Imps
Neither side vulnerable
You, South, hold:

(A) As dealer, what call do you make?
(a1) Pass; (a2) 1 ♥; (a3) 2 ♥.

(B) If East dealt and opened three clubs, what call would you make?
(b1) Pass; (b2) Double;
(b3) 3 ♥; (b4) 4 ♣ [BWS: majors.]

Problem E

Imps
North-South vulnerable
You, South, hold:

What call do you make?

Problem F

Imps
Neither side vulnerable
You, South, hold:

What call do you make?

^*4 NT natural by agreement

Problem G

Imps
Neither side vulnerable
You, South, hold:

What call do you make?

Problem H

Imps
North-South vulnerable
You, South, hold:

What is your opening lead?