7
Select the set in which the numbers are related in the same way as are the numbers of the given sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits, E.g. 13 – operations on 13 such as adding/subtracting/ multiplying 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) (1, 6, 4) (3, 15, 9)