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Home Aptitude Time and Distance Comments

  • Question
  • Two men start together to walk to a certain destination, one at 3.75 km an hour and another at 3 km an hour. The former arrives half an hour before the latter, the distance is?


  • Options
  • A. 9.5 km.
  • B. 8 km.
  • C. 7.5 km.
  • D. 6 km.

  • Correct Answer
  • 7.5 km. 

    Explanation

    Let the distance be y km.
    From question
    y/3 - y/3.75 = 1/2
    ? (3.75y - 3y) / (3 x 3.75) = 1/2
    ? 1.5y= 3 x 3.75
    ? y = ( 3 x 3.75 ) / 1.5
    = 7.5 km.


  • Time and Distance problems


    Search Results


    • 1. 
      Excluding stoppages, the speed of a bus is 54 km/hr. and including stoppages it is 45 km/hr. for how many minutes does the bus stop per hour?

    • Options
    • A. 9
    • B. 10
    • C. 12
    • D. 20
    • Discuss
    • 2. 
      A train cover a distance in 50 minutes, if it runs at a speed of 48 km per hour on an average. The speed at which the train must run to reduce the time of journey to 40 minutes?

    • Options
    • A. 50 km/hr.
    • B. 55 km/hr.
    • C. 60 km/hr.
    • D. 70 km/hr.
    • Discuss
    • 3. 
      Laxman has to cover a distance of 6 km in 45 minutes . If he cover one half of the distance in 2/3 rd time . what should be his speed to cover the remaining distance in the remaining time?

    • Options
    • A. 12 km/hr.
    • B. 16 km/hr.
    • C. 3 km/hr.
    • D. 8 km/hr.
    • Discuss
    • 4. 
      A plane flies along the four sides of a square field at a speed of 200, 400, 600 and 800 km/hr. Then find the average speed of plane around the square field.

    • Options
    • A. 394
    • B. 400
    • C. 414
    • D. 384
    • Discuss
    • 5. 
      In how many minutes will Rohit cover a distance of 800 m, if he runs at speed of 10 km/hr?

    • Options
    • A. 5 min 12 sec
    • B. 4 min 40 sec
    • C. 5 min
    • D. 4 min 48 sec
    • Discuss
    • 6. 
      A car covers four successive three km stretches at speed of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr. respectively. Its average speed over this distance is?

    • Options
    • A. 10 km/hr.
    • B. 20 km/hr .
    • C. 30 km/hr.
    • D. 25 km/hr .
    • Discuss
    • 7. 
      A car complete a certain journey in 8 hour. It cover half the distance at 40 km/hr and the rest at 60 km/hr, The length of a journey is?

    • Options
    • A. 350 km.
    • B. 420 km.
    • C. 384 km.
    • D. 400 km.
    • Discuss
    • 8. 
      Rahim covers a certain distance in 14 hrs 40 min. He covers one half of the distance by train at 60 km/hr. and rest half by road at 50 km/hr. The distance travelled by him is?

    • Options
    • A. 960 km.
    • B. 720 km.
    • C. 1000 km.
    • D. 800 km.
    • Discuss
    • 9. 
      A man perform 2/15 of the total journey by rail, 9/20 by tonga and the remaining 10 km on foot. This total journey is?

    • Options
    • A. 15.6 km.
    • B. 12.8 km.
    • C. 16.4 km.
    • D. 24 km.
    • Discuss
    • 10. 
      Shard cover two-third of a certain distance at 4 km/hr and the remaining at 5 km/hr. If he takes 42 minutes in all, the distance is?

    • Options
    • A. 2.5 km.
    • B. 4.6 km.
    • C. 4 km.
    • D. 3 km.
    • Discuss


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