Last Address is –
(a) 180.8.255.255.
(b) 180.8.255.0.
(c) 180.12.0.255.
(d) 180.9.255.255.
I had been asked this question at a job interview.
I would like to ask this question from Classful Addressing topic in section Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security