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1. 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.






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  • By: guest on 01 Jun 2017 05.49 pm
    I gives, relative speed = 135 km/hr. Time taken = 500 hrs. 135 II does not give the relative speed. I alone gives the answer and II is irrelevant. Correct answer is (A).
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