Select the set in which the numbers are related in the same way as are the numbers of the following sets. (Note: operations should be performed on the whole numbers into its constituent digits. E.g. 13-operations on 13 such as ading deleting multipling etc.to 13 can be performed.Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed) (15,41,4) (19,71, 5) ?