Find the corresponding sequence in the following: I4M : K8R :: ? &LETTERSERIES

Concept: In an alphanumeric analogy, each term has the form Letter-Number-Letter. The two terms in the given pair are linked by one fixed numeric or positional rule, and the correct option is the single pair whose own two terms obey that exact same rule.

Application: In I4M : K8R, compare only the numbers embedded in the two terms — 4 and 8. The second number is exactly double the first (4 × 2 = 8). This doubling relationship is the rule connecting the first term to the second term in every valid pair.

The letters also shift from the first to the second position in each term, but these shifts are not consistent across the candidate pairs, so they cannot be the basis of the correct correspondence — only the numeric relationship discriminates correctly among the options.

Cross-check: Apply the same doubling rule to each candidate pair:

Only N3P : S6Y satisfies the doubling rule established by I4M : K8R, so it is the corresponding sequence.