Final answer:
The pair number between 1 and 25 that corresponds to the colors red/orange is Pair 11.
Step-by-step explanation:
The question is asking for the pair number between 1 and 25 that corresponds to the colors red/orange. Looking at the options, we can see that pair numbers are given. By examining the options, we can determine that the correct answer is Pair 11 as it corresponds to the colors red/orange. In a standard color-coding scheme for twisted pair cables, the pair number for red/orange is typically Pair 11. The pairs are usually numbered in a sequence from 1 to 25 in telecommunications cabling, with each pair having a specific combination of colors. The red/orange pair is associated with Pair 11 in this numbering convention. This color-coding is commonly used in Ethernet and other networking applications for the identification of individual pairs within a cable.