उस विकल्प का चयन कीजिए जो तीसरे शब्द से उसी प्रकार संबंधित है जैसे दूसरा शब्द पहले शब्द से संबंधित है। दंत चिकित्सक (Dentist) : दांत (Teeth) :: दृष्टिमापी (Optometrist) : ?

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?