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  • Question
  • A runs 123 times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it at the same time?


  • Options
  • A. 200 m
  • B. 300m
  • C. 270m
  • D. 160m

  • Correct Answer
  • 200 m 

    Explanation

    Ratio of the speeds of A and B =5 : 1 = 5 :3

     

    Thus, in race of 5 m, A gains 2 m over B.

     

    2 m are gained by A in a race of 5 m.

     

    80 m will be gained by A in race of 5 2 * 80  m =200m

     

    => Winning post is 200 m away from the starting point.


  • Races and Games problems


    Search Results


    • 1. In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m ?

    • Options
    • A. 127.5 m
    • B. 254 m
    • C. 184 m
    • D. 212 m
    • Discuss
    • 2. At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?

    • Options
    • A. 30 points
    • B. 20 points
    • C. 10 points
    • D. 12 points
    • Discuss
    • 3. In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:

    • Options
    • A. 40 sec
    • B. 47sec
    • C. 33sec
    • D. none of these
    • Discuss
    • 4. In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 140 m. Then, A wins by:

    • Options
    • A. 60m
    • B. 40m
    • C. 20m
    • D. 10m
    • Discuss
    • 5. In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

    • Options
    • A. 20m
    • B. 25m
    • C. 22.5m
    • D. 9m
    • Discuss
    • 6. In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by:

    • Options
    • A. 22.75 m
    • B. 25 m
    • C. 19.5 m
    • D. 18.5 m
    • Discuss
    • 7. In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by

    • Options
    • A. 21 m
    • B. 26 m
    • C. 28m
    • D. 29m
    • Discuss
    • 8. In a game of 100 points, A can give B 20 points and C 28 points. Then, B can give C is

    • Options
    • A. 8 points
    • B. 10 points
    • C. 14 points
    • D. 40 points
    • Discuss
    • 9. In a race of 1000 meters, A can beat B by 100 meters, in a race of 800 meters, B can beat C by 100 meters. By how many meters will A beat C in a race of 600 meters?

    • Options
    • A. 125.5 meters
    • B. 126.5 meters
    • C. 127.5 meters
    • D. 128.5 meters
    • Discuss
    • 10. In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:

    • Options
    • A. 21 m
    • B. 26 m
    • C. 28m
    • D. 29m
    • Discuss


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