A train can travel 40% faster than a car. Both start from point A at the same time and reach point B, 84 kms away from A at the same time. On the way, however, the train lost about 15 minutes while stopping at the stations. The speed of the car is: A) 84 B) 96 C) 80 D) 90

• Let speed of the car be x kmph.
  Then, speed of the train =140*x/100=7*x/5 kmph.
  =>84/x - 84/7*x/5 =15/60
  =>84/x - 12*5/x =1/4
  =>x=24*4=96 Ans.B)96
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