The sequence followed is: The first letter of every word is ‘R’, The second letter of every word is ‘E’, Third letter is arranged i.e. ‘a’, ‘s’ and ‘g’ → Reason and Read will be arranged first. Fourth letter in Reason and Read is ‘d’ and ‘s’ → dictionary order → Read, Reason. Regal and Regent will be arranged next. Fourth letter is arranged i.e. ‘a’ and ‘e’ → dictionary order → Regal, Regent. Resort will be arranged at last. The dictionary sequence is: Read → Reason → Regal → Regent → Resort. Thus, 41235 will be the correct sequence.