Q 1) Answer - 172.23.4.0
Q 2) Answer - 192.168.61.80
Q 3) Answer - 192.168.140.1 through to 192.168.140.126
Q 4) Answer - 10.54.223.255
Q 5) Answer - 10.184.255.254
Q 6) Answer - 4096 subnets and 14 hosts
Q 7) Answer - 255.255.255.224
Q 8) Answer - 255.255.248.0
Q 9) Answer - 255.255.240.0
Q 10) Answer - 10.117.224.0
