Two Questions ...

This week, instead of offering my opinion I will reproduce two deals and ask some questions instead, and would be very interested to get some answers.

Board 8 from Thursday 8/11/2018
Dealer W Nil Vul

7642
J6
AQ8643
6
AKT8
AQ7
T75
QT8
J93
T2
J92
AKJ32
Q5
K98543
K
9754

Q: If West opens 1C, how do so many EW pairs end up in 3NT and why?

Board 23 from Thursday 8/11/2018
Dealer S Nil Vul

Q93
JT83
AQ97
K7
7652
A4
KT642
J8
AJ8
KQ76
3
AQ963
KT4
952
J85
T542

Q. Does nobody double a 1NT opening bid for penalties these days?

Both these deals will be reviewed next week IF I get some help from some people via some answers to me at villyn@xtra.co.nz