Select the number pair in which the numbers are related in the same way as are the numbers of the given number pairs.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g., 13 - Operations on 13 such as adding/deleting/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.)
5 ∶ 50
12 ∶ 288
1
4 ∶ 36
2
8 ∶ 128
3
9 ∶ 161
4
6 ∶ 70