Hand 1.
Your Hand
♠ 9 8 6
♥ 10 8 7
♦ A Q 7 3 2
♣ A 7
Your Bid
3NT You have 10 HCP and enough points together for game in NoTrumps
Hand 2.
Your Hand
♠ 8 7
♥ Q 6 5
♦ Q 9 8 3
♣ A 9 8 4
Your Bid
With 8 HCP and a balanced hand bid 2NT, partner will raise to 3NT if they have the higher range of a 1NT opening
Hand 3.
Your Hand
♠ 10 9 3
♥ A Q 10
♦ 9 8 6 5 4
♣ 6 4
Your Bid
Pass - you don't have enough points or a strong enough hand to bid