Deal 8 ♠  
 
 
♣  
 
 WEST  NORTH  EAST  SOUTH
1NTpass BID 
 
 

North opens 1NT. What do you respond?
  ♠ A K Q 4 2
J 10 7 6
7 5
♣ 9 3
 

 
Deal 8 ♠  
 
 
♣  
 
 WEST  NORTH  EAST  SOUTH
1NTpass2♣
pass2pass BID 
 

North opens 1NT. What do you respond?

This may go against your instincts, but if you're going to play Stayman then you should follow the rules. Granted that you have a great ♠ suit, you also have 4 s. And when you have a 4-card Major you use Stayman.
You bid 2♣ and partner says 2. What do you bid now?
  ♠ A K Q 4 2
J 10 7 6
7 5
♣ 9 3
 

 
Deal 8 ♠ 9 5
K Q 9 5
A K 6 3
♣ K Q 8
 
 WEST  NORTH  EAST  SOUTH
1NTpass2♣
pass2pass4
passpasspass

North opens 1NT. What do you respond?

This may go against your instincts, but if you're going to play Stayman then you should follow the rules. Granted that you have a great ♠ suit, you also have 4 s. And when you have a 4-card Major you use Stayman.
You bid 2♣ and partner says 2. What do you bid now?


That is why you used Stayman - to uncover a 4-4 Major suit fit. Having done so you know that you will play in s and you have enough points to bid game.
You bid 4.

 Deal 9 
  ♠ A K Q 4 2
J 10 7 6
7 5
♣ 9 3