Multiple Choice Questions on Car A leaves the city at 5pmm and is driven at a speed of 30km hr 3hrs later another car B leaves th........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Car A leaves the city at 5pmm and is driven at a speed of 30km hr 3hrs later another car B leaves th...........

Quantitative Aptitude ( CCS) Time & distance
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    Car A leaves the city at 5pmm and is driven at a speed of 30km/hr. 3hrs later another car B leaves the city in the same direction as car A. In how much time will car B be 12kms ahead of car A if the speed of car B is 50km/hr?

    5hrs

    Incorrect Answer

    4.2hrs

    Incorrect Answer

    8hrs

    Incorrect Answer

    5.1hrs

    Correct Answer
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    Explanation:

    Solution:
    Car A travels 3hrs. 3*30=90km
    Difference between speeds 50-30=20km/hr
    Distance ahead 12km . 90+12=102km
    T=D/S ===>102/20=5.1hrs.

    By: Pranav Gupta
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