If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is :

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is :

  • A. 52 km
  • B. 62 km
  • C. 55 km
  • D. 50 km Ans: D. Sol.
    Let the actual distance travelled be x km. Then,
    x/10 = (x+20)/14
    ⇔ 14x = 10x + 200
    ⇔ 4x = 200
    x = 50 km.
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READ  A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time, his speed (in km/hr) must be :

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