The Earth moves around the Sun at a rate of 4 minutes per degree of longitude.  The question is asking for the time of sunrise at the same latitude (52ºS), on the same day (27th February) after travelling through 75º change of longitude (from 040ºE to 035ºW):

Sunrise at 52ºS            02:43 UTC at 040ºE on 27th

75º Ch Long at 4m/º       5:00

Sunrise at 52ºS            07:43 UTC at 035ºW on 27th