Select the set in which the numbers are related in the same way as are the numbers of the following sets. (17, 12, 612) (6, 14, 252) (Note: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)

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?