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C as well. 1 is not sufficient on it's own. True that 49 is divisible by 13 but so is 58 and the latter is not a multiple of 7. Both statements combined say that RM is definitely not a multiple of 7 _________________
mihir14, I believe your reasoning is wrong. Agree that each statement by itself is insufficient but both statements together can bring you to the conclusion that the answer is not a multiple of 7. Your exemple that 49 is not divisible by 3 is not appropriate because, precisely, 49 is not even divisible by 3 in the first place so it could not serve as exemple. The numbers whereby R+M = 13 are 49-94-58-85-67-76 and none of those are divisible by 3. Therefore, nevermind a multiple of 7, no number can satisfy those requirements and C conveys that _________________