उस विकल्प का चयन कीजिए जो तीसरे शब्द से उसी प्रकार संबंधित है जैसे दूसरा शब्द पहले शब्द से संबंधित है: सिरियस : तारा :: सिग्नस : _________

Based on a certain logic, 'ZY5' is related to 'UT15'. Similarly, 'ML20' is related to 'HG30'. Following the same logic, to which of the following is 'RQ40' related?

Select the related letter pair from the given alternatives: HU : JW :: ?

According to a certain logic, 'ZY5' is related to 'UT15'. Similarly, 'ML20' is related to 'HG30'. Following the same logic, to which of the following is 'RQ40' related?