Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different.
(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.)
37 ∶ 152
61 ∶ 248
39 ∶ 160
53 ∶ 208
1
61 ∶ 248
2
39 ∶ 160
3
37 ∶ 152
4
53 ∶ 208