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Two cars pass each other in opposite direction. How long would they take to be 500 km apart I.  The sum of their speeds is 135 km/hr  II.  The difference of their speed is 25 km/hr #

• I alone sufficient while II alone not sufficient to answer (Correct Answer)
• II alone sufficient while I alone not sufficient to answer
• Either I or II alone sufficient to answer
• Both I and II are not sufficient to answer
• Both I and II are necessary to answer

Comments and Answers (2) #