Select the set in which the numbers are related in the same way as are the numbers of the following set.
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(7, 1, 25)
(13, 7, 88)
1
(11, 9, 60)
2
(8, 22, 42)
3
(5, 17, 21)
4
(6, 9, 22)