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.)
61 ∶ 133
40 ∶ 69
52 ∶ 93
38 ∶ 65
1
52 ∶ 93
2
40 ∶ 69
3
38 ∶ 65
4
61 ∶ 133