Multiple Choice Questions on Two friends Ram and Ravi are travelling from point A to B which are 600km apart Travelling at a cert........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two friends Ram and Ravi are travelling from point A to B which are 600km apart Travelling at a cert...........

Quantitative Aptitude ( CCS) Time & distance
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    Two friends Ram and Ravi are travelling from point A to B, which are 600km apart. Travelling at a certain speed Ram takes 1hr more than Ravi to reach point B. If Ram doubles his speed he will take 1hr 30mins less than ravi to reach point B. At what speed was Ram driving from point A to B?

    150km/hr

    Incorrect Answer

    120km/hr

    Correct Answer

    80km/hr

    Incorrect Answer

    45km/hr

    Incorrect Answer
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    Explanation:

    Solution:
    T = D/S. Let x be the speed
    600/x = T+1 , 600/2x = T – 3/2
    Equate T
    (600-x)/x = (600+3x)/2x
    1200-12x = 600+3x ==>x=120km.

    By: Pranav Gupta
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