How much time did X take to reach the destination? I. The ratio between the speed of X and Y is 3: 4. II. Y takes 36 minutes to reach the same destination.
Correct answer B. II alone sufficient while I alone not sufficient to answer
Correct answer B. II alone sufficient while I alone not sufficient to answer
Tip: press A, B, C or D to answer, and N for the next question.
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