The numbers in each set are related to each other in a certain way. (6, 64, 2), (8, 225, 7), (3, ?, 9) Based on the relationship among the numbers in the first two sets, select the number that can replace the question mark (?) in the third set.

Choose the set of numbers from the alternatives that is similar to the given set: (5, 15, 26)

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (12, 17, 145) (6, 8, 28) (Note: Operations should be performed on whole numbers without breaking down the constituent digits.)