Sunday 12 August 2018

Question of the day

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:

 a. 100kmph
 b. 110kmph
 c. 120 kmph
 d. 130 kmph 
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1 comment:

  1. Bhaskar Reddy12 August 2018 at 21:21

    Let speed of the car be x kmph.
    Then, speed of the train = 150x /100
    =3x/2

    (75/x) - { 75 / (3x/2)} = 125 / (10*60 )

    x = 120 kmph


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