शब्दों के चार जोड़े दिए गए हैं, जिनमें से तीन किसी न किसी रूप में एक जैसे हैं और एक भिन्न है। उस जोड़े का चयन करें जो अन्य से भिन्न है।

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?