How long did it take X to get to his destination? I. The speed ratio between X and Y is 3 to 4. II. It takes 36 minutes for Y to arrive at the same location.
A. I alone sufficient while II alone not sufficient to answer
B. II alone sufficient while I alone not sufficient to answer
C. Either I or II alone sufficient to answer
D. Both I and II are necessary to answer
Answer:D
How long did it take X to get to his destination? I. The speed ratio between X and Y is 3 to 4. II. It takes 36 minutes for Y to arrive at the same location.
A. I alone sufficient while II alone not sufficient to answer B. II alone sufficient while I alone not sufficient to answer C. Either I or II alone sufficient to answer D. Both I and II are necessary to answer