In the following question, four number pairs are given. In each pair the number on left side of (-) is related to the number of the right side of (-) with some Logic/Rule /Relation. Three pairs are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives. (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)

726 - 2278

The logic followed here is :

ist number ×  3  = second number

726 - 2278  ⇒ 726 ×  3  = 2178 ≠ 2278

1248 - 3744 ⇒ 1248 ×  3  = 3744

1024 - 3072 ⇒ 1024 ×  3  = 3072

336 - 1008 ⇒ 336 ×  3  = 1008