During a flight from Delhi to Tokyo the following are the landing airports: 1. I. Hong Kong 2. II. Hanoi 3. III. Taipei 4. IV Bangkok The correct sequence of the landing at these airports during an onward journey is

1. The question asks for the correct sequence of landing airports on a flight from Delhi to Tokyo among the given options: Hong Kong, Hanoi, Taipei, Bangkok. 2. An eastward flight path from Delhi towards Tokyo would generally proceed Southeast and then Northeast. 3. Considering the locations: Bangkok (Thailand) is the westernmost and southernmost among the options relative to the Delhi-Tokyo route. Hanoi (Vietnam) is east of Bangkok. Hong Kong is northeast of Hanoi. Taipei (Taiwan) is northeast of Hong Kong and roughly on the path towards Tokyo. 4. Therefore, a plausible landing sequence on an onward journey from Delhi to Tokyo would be Bangkok -> Hanoi -> Hong Kong -> Taipei. 5. Option (B) represents this sequence: IV (Bangkok), II (Hanoi), I (Hong Kong), III (Taipei).