If x and y are positive integers such that (3x + 7y) is a multiple of 11, then which of the following will be divisible by 11?

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the Demo Paper India preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.