Multiple Choice Questions on Towns A and B are 225 km apart Two cars P and Q travel from towards each other from towns A and B re........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Towns A and B are 225 km apart Two cars P and Q travel from towards each other from towns A and B re...........

Quantitative Aptitude ( CCS) Time & distance
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    Towns A and B are 225 km apart. Two cars P and Q travel from towards each other from towns A and B respectively and meet after 3 hours. If the speed of P be 1/2 of its original speed and Q be 2/3 of its original speed, they would have met after 5 hours. Find the speed of the faster car.

    50 km/hr

    Incorrect Answer

    40 km/hr

    Incorrect Answer

    45 km/hr

    Correct Answer

    30 km/hr

    Incorrect Answer
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    Explanation:

    Solution: 
    Let speeds be x km/hr and y km/hr 
    So 225/(x+y) = 3
    And 225/(x/2 + 2y/3) = 5
    Solve, x = 30, y = 45

    By: Pranav Gupta
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