Quiz Discussion

Train A leaves Ludhiana for Delhi at 11 am, running at the speed of 60 km/hr. Train B leaves Ludhiana for Delhi by the same route at 2 pm on the same day, running at the speed of 72 km/hr. At what time will the two trains meet each other ?

Course Name: Java

  • 1] 2 am on the next day
  • 2] 5 am on the next day
  • 3] 5 pm on the next day
  • 4] None of these
Solution
No Solution Present Yet

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# Quiz
1
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The speed of electric train is 25% more than that of steam engine train. What is the time taken by an electric train to cover a distance which a steam engine takes 4 hours 25 minutes to cover ?

  • 1]

    \(3\frac{1}{10}\) hrs

  • 2]

    \(3\frac{11}{15}\) hrs

  • 3]

    \(3\frac{11}{12}\) hrs

  • 4]

    \(3\frac{8}{15}\) hrs

Solution
2
Discuss

An athlete runs 200 meters race in 24 seconds. His speed in km/h is

  • 1] 20
  • 2] 24
  • 3] 28.5
  • 4] 30
Solution
3
Discuss

Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 km/hr and 40 km/hr respectively. The distance between the two trains after 45 minutes will be :

  • 1] 2.500 km
  • 2] 2.750 km
  • 3] 3.750 km
  • 4] 3.25 km
Solution
4
Discuss

A thief sees a jeep at a distance of 250 m, coming towards him at 36 km/h. Thief takes 5 seconds to realize that there is nothing but the police is approaching him by the jeep and start running away from police at 54 km/h. But police realise after 10 second, when the thief starts running away, that he is actually a thief and gives chase at 72 km/h. How long after thief saw police did catchup with him and what is the distance police had travel to do so?

  • 1] 50 s, 1000 m
  • 2] 65 s, 1150 m
  • 3] 65 s, 1300 m
  • 4] 45 s, 1050 m
  • 5] None of these
Solution
5
Discuss

Two men P and Q start a journey from the same place at a speed of 3 km/hr and \(3\frac{1}{2}\) km/hr respectively. If they move in the same direction then what is the distance of them after 4 hours?

 

  • 1]

    3 km

  • 2]

    \(2\frac{1}{2} \)km

  • 3]

    2 km

  • 4]

    \(\frac{1}{2}\) km

Solution
6
Discuss

A man travels 50 km at speed 25 km/hr and next 40 km at 20 km/hr and there after travel 90 km at 15 km/hr. His average speed is :

  • 1] 18 km/hr
  • 2] 25 km/hr
  • 3] 20 km/hr
  • 4] 15 km/hr
Solution
7
Discuss

A journey of 192 km between two cities take 2 hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/hr less than that of the fast train, the average speed of the fast train is :

  • 1] 32 km/hr
  • 2] 36 km/hr
  • 3] 48 km/hr
  • 4] 64 km/hr
Solution
8
Discuss

A train approaches a tunnel AB. Inside the tunnel is a cat located at a point that is \(\frac{3}{8}\) of the distance AB measured from entrance A. When the train whistles, that cat runs. If the cat moves to entrance A of the tunnel, the train catches the cat exactly at the entrance. If the cat moves to exit B, the train catches the cat at exactly the exit. The ratio of the speed of the train to that of the cat is of the order :

 

  • 1] 3 :1
  • 2] 4 : 1
  • 3] 5 : 1
  • 4] None of these
Solution
9
Discuss

A tiger is 50 of its own leaps behinds a deer. The tiger takes 5 leaps and per minutes to the deer's 4. If the tiger and the deer cover 8 m and 5 m per leap respectively, what distance will the tiger have to run before it caches the deer?

  • 1] 600 m
  • 2] 700 m
  • 3] 800 m
  • 4] 1000 m
  • 5] None of these
Solution
10
Discuss

Vinay and Versha run a race with their speed in the ratio of 5 : 3. They prefer to run on a circular track of circumference 1.5 km. What is the distance covered by Vinay when he passes Versha for the seventh time?

  • 1] 25.25 km
  • 2] 26.25 km
  • 3] 13.2 km
  • 4] 14.5 km
Solution
# Quiz